Concerts from pop/rock artist John Mayer and Country superstars Rascal Flatts top the onsales for the week ending April 19, as compiled by TicketNews.

Mayer has more than fifteen shows from his upcoming national tour on sale beginning Saturday morning. Joining Mayer with tickets on sale Saturday is the rock concert Cru Fest, to be held in California, which features multiple artists including Motley Crue and Papa Roach. Country artists Rascal Flatts also have multiple concert dates on sale beginning Saturday morning.

On Friday, multiple tour stops on the joint tour of Robert Plant and Allison Krauss go on sale. Dates available include stops in Nashville and Philadelphia. Comedians Bill Maher and George Lopez each have a stand-up show on sale Friday morning as well.

This week also has numerous sporting events on sale. NHL playoff tickets for both the San Jose Sharks and Washington Capitals are on sale, and in the NBA, the Cleveland Cavaliers, who are looking to rebound after last year’s disappointing sweep in the NBA finals, also have tickets on sale. Tickets for the June 28 boxing match between Manny Pacquiao and David Diaz are on sale Saturday, with Pacquiao the heavy favorite.

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“Onsales” is a ticketing industry term describing when tickets initially go on sale to the general public. Each week, tickets are released by promoters, venues and others to dozens of events, but the number of tickets available can vary significantly between locations.

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THIS WEEK’S ONSALES

Date Event Venue City State
Monday Barry Manilow Air Canada Centre Toronto ON
Monday Bill Maher Dodge Theatre Phoenix AZ
Monday Blue Man Group: How to be a Megastar Tour 2.1 Copps Coliseum Hamilton ON
Monday Blue Man Group: How to be a Megastar Tour 2.1 Scotiabank Place (formerly the Corel Centre) Kanata ON
Monday Blue Man Group: How to be a Megastar Tour 2.1 John Labatt Centre London ON
Monday Blue Man Group: How to be a Megastar Tour 2.1 Air Canada Centre Toronto ON
Monday Chris Rock: No Apologies Paramount Theatre Seattle WA
Monday Cirque du Soleil: Saltimbanco Sprint Center Kansas City MO
Monday David Copperfield Broome County Forum Binghamton NY
Monday Donna Summer Bank of America Pavilion Boston MA
Monday Eagles Madison Square Garden New York NY
Monday Eagles Prudential Center Newark NJ
Monday Wash Capitals Eastern Conference Quarterfinals – Round 1, Game 3 Verizon Center Washington DC
Monday His Holiness The 14th Dalai Lama – "The Great Treatise" Stabler Arena Bethlehem PA
Monday James Taylor Dodge Theatre Phoenix AZ
Monday Jewel Live At the Garden Memphis TN
Monday Jimmy Buffett & the Coral Reefer Band Cricket Wireless Amphitheatre Chula Vista CA
Monday Jimmy Buffett & the Coral Reefer Band Shoreline Amphitheatre Mountain View CA
Monday Holiness the Gyalwa Karmapa Hammerstein Ballroom New York NY
Monday Holiness the Gyalwa Karmapa Paramount Theatre Seattle WA
Monday Kathy Griffin Massey Hall Toronto ON
Monday Lyle Lovett Dodge Theatre Phoenix AZ
Monday New Orleans Hornets Playoffs New Orleans Arena New Orleans LA
Monday New York Philharmonic Bethel Woods Center for the Arts Bethel NY
Monday O.A.R. Dodge Theatre Phoenix AZ
Monday PBR: Professional Bull Riders Rexall Place Edmonton AB
Monday Peter Frampton NATIONAL CITY PAVILION Cincinnati OH
Monday Poison: Live Raw & Uncut Summer Tour 2008 Dodge Theatre Phoenix AZ
Monday Poison: Live Raw & Uncut Summer Tour 2008 EnergySolutions Arena Salt Lake City UT
Monday Professional Bull Riders ORACLE Arena Oakland CA
Monday Ringling Bros. and Barnum & Bailey Circus The Cabarrus Arena and Events Center Concord NC
Monday Ringo Starr and His All Starr Band Dodge Theatre Phoenix AZ
Monday San Jose Sharks Western Conference Quarterfinals HP Pavilion At San Jose San Jose CA
Monday Santana Cricket Wireless Pavilion Phoenix AZ
Monday Sesame Street Live : When Elmo Grows Up San Jose Civic Auditorium San Jose CA
Monday Sheryl Crow NATIONAL CITY PAVILION Cincinnati OH
Monday Steely Dan Dodge Theatre Phoenix AZ
Monday Steely Dan Chateau Ste Michelle Winery Woodinville WA
Monday Steve Miller Band Dodge Theatre Phoenix AZ
Monday Summer Beats ’08 Terrace Theater – Long Beach Convention Center Long Beach CA
Monday The 25th Annual Putnam County Spelling Bee (National Tour) National Arts Centre Ottawa ON
Monday U.S. National Soccer Team v. Argentina Giants Stadium East Rutherford NJ
Monday Utah Jazz Playoffs Round 1 Game 1 EnergySolutions Arena Salt Lake City UT
Tuesday Cleveland Cavaliers vs. TBD Home Playoff Game A Quicken Loans Arena Cleveland OH
Tuesday Crosby,Stills & Nash Casino Rama Orillia ON
Tuesday Showtime Boxing: Forrest vs. Mora and Quintana vs. Williams Mohegan Sun Arena Uncasville CT
Tuesday The US Air Guitar Championships Bowery Ballroom NEW YORK NY
Tuesday Think Fast,Steely Dan-Summer Tour 2008 Casino Rama Orillia ON
Wednesday Dickies 500 NASCAR Sprint Cup Series Texas Motor Speedway Fort Worth TX
Wednesday O’Reilly Challenge NASCAR Nationwide Series Texas Motor Speedway Fort Worth TX
Friday 311 with Snoop Dogg Verizon Wireless Amphitheatre Charlotte Charlotte NC
Friday 311 with Snoop Dogg Dodge Theatre Phoenix AZ
Friday 311 with Snoop Dogg Time Warner Cable Music Pavilion at Walnut Creek Raleigh NC
Friday Artie Lange Lyric Opera House Baltimore MD
Friday B.B. King Horseshoe Casino Tunica MS
Friday Bill Maher Dar Constitution Hall Washington DC
Friday Bloc Party The Fillmore at the TLA Philadelphia PA
Friday Blondie: Blondie- Parallel Lines 30th Anniversary Tour Brookhaven Amphitheatre Farmingville NY
Friday Brian Wilson Hammerstein Ballroom New York NY
Friday Bryan Adams Southern Theatre Columbus OH
Friday Carrie Underwood Mobile Civic Center Arena Mobile AL
Friday Crosby, Stills and Nash nTelos Wireless Pavilion Portsmouth VA
Friday Death Cab for Cutie The Blue Note Columbia MO
Friday Dierks Bentley Columbus Civic Center Columbus GA
Friday Earth, Wind & Fire Mohegan Sun Arena Uncasville CT
Friday George Lopez Warner Theatre Washington DC
Friday George Thorogood & the Destroyers Hammerstein Ballroom New York NY
Friday Katt Williams UNO Lakefront Arena New Orleans LA
Friday Mamma Mia! Bob Carr Performing Arts Centre Orlando FL
Friday Melissa Etheridge Mizner Park Amphitheater Boca Raton FL
Friday Melissa Etheridge Louisville Palace Louisville KY
Friday Projekt Revolution 2008 Blossom Music Center Cuyahoga Falls OH
Friday Robert Plant & Alison Krauss Time Warner Cable Amphitheater at Tower City Cleveland OH
Friday Robert Plant & Alison Krauss Nokia Theatre At Grand Prairie Grand Prairie TX
Friday Robert Plant & Alison Krauss Rupp Arena Lexington KY
Friday Robert Plant & Alison Krauss Sommet Center Nashville TN
Friday Robert Plant & Alison Krauss The Mann Center Philadelphia PA
Friday Robert Plant & Alison Krauss RBC Center Raleigh NC
Friday Robert Plant & Alison Krauss Molson Amphitheatre Toronto ON
Friday Rockstar Energy Mayhem Festival featuring Slipknot Nissan Pavilion Bristow VA
Friday Rod Stewart Nissan Pavilion Bristow VA
Friday Ron White Majestic Theatre San Antonio San Antonio TX
Friday Vince Gill Spartanburg Memorial Auditorium Spartanburg SC
Friday ZZ Top Grand Casino Tunica Tunica MS
Saturday 311 with Snoop Dogg Cricket Wireless Amphitheatre Chula Vista CA
Saturday Alicia Keys Trump Taj Mahal Atlantic City NJ
Saturday B.B. King Southern Illinois University Arena Carbondale IL
Saturday Brad Paisley Save Mart Center Fresno CA
Saturday Brad Paisley Sleep Train Amphitheatre in Wheatland Wheatland CA
Saturday Bret Michaels House of Blues Atlantic City Atlantic City NJ
Saturday Brooks & Dunn with ZZ Top & Rodney Adkins Freedom Hall Louisville KY
Saturday Brooks & Dunn: The Cowboy Town Tour Riverbend Music Center Cincinnati OH
Saturday Carrie Underwood Big Sandy Superstore Arena Huntington WV
Saturday Chicago the Musical Rabobank Arena Theater and Convention Center Bakersfield CA
Saturday Cru Fest feat Motley Crue, Buckcherry, Papa Roach Glen Helen Pavilion formerly Hyundai Pavilion Devore CA
Saturday Death Cab for Cutie JAY PRITZKER PAVILION Chicago IL
Saturday Doodlebops Live! Puyallup Fair and Events Center Puyallup WA
Saturday John Mayer Susquehanna Bank Center Camden NJ
Saturday John Mayer Cricket Wireless Amphitheatre Chula Vista CA
Saturday John Mayer Merriweather Post Pavilion Columbia MD
Saturday John Mayer Blossom Music Center Cuyahoga Falls OH
Saturday John Mayer Superpages.com Center (formerly Smirnoff Music Center) Dallas TX
Saturday John Mayer PNC Bank Arts Center Holmdel NJ
Saturday John Mayer Irvine Meadows / Verizon Wireless Amphitheater Irvine CA
Saturday John Mayer Tweeter Center for the Performing Arts Mansfield MA
Saturday John Mayer Verizon Wireless Amphitheater St Louis Md Heights MO
Saturday John Mayer Marcus Amphitheater Summerfest Milwaukee WI
Saturday John Mayer Shoreline Amphitheatre Mountain View CA
Saturday John Mayer Verizon Wireless Music Center Noblesville IN
Saturday John Mayer Cricket Wireless Pavilion Phoenix AZ
Saturday John Mayer First Midwest Bank Amphitheatre Tinley Park IL
Saturday John Mayer Nikon at Jones Beach Theater Wantagh NY
Saturday John Mayer Sleep Train Amphitheatre in Wheatland Wheatland CA
Saturday John Mayer Woodlands Pavilion Woodlands TX
Saturday Journey with Heart and Cheap Trick Irvine Meadows / Verizon Wireless Amphitheater Irvine CA
Saturday Kenny Chesney and LeAnn Rimes: The Poets & Pirates Tour Reliant Stadium Houston TX
Saturday K-Rock Dysfunctional Family BBQ Herkimer County Fairgrounds Frankfort NY
Saturday Lynyrd Skynyrd Bethel Woods Center for the Arts Bethel NY
Saturday Mark Knopfler Fraze Pavilion Kettering OH
Saturday Martina McBride Waking Up Laughing Tour Superpages.com Center Dallas TX
Saturday Martina McBride Waking Up Laughing Tour Post Gazette Pavilion At Star Lake Pittsburgh PA
Saturday Pacquiao vs Diaz Mandalay Bay Resort Las Vegas NV
Saturday Rascal Flatts Bethel Woods Center for the Arts Bethel NY
Saturday Rascal Flatts Verizon Wireless Amphitheater St Louis Md Heights MO
Saturday Rascal Flatts Verizon Wireless Virginia Beach Amphitheater Virginia Beach VA
Saturday Raven Symone Nationwide Arena Columbus OH
Saturday Reba and Brooks and Dunn Riverbend Music Center Cincinnati OH
Saturday Ringo Starr and His All Starr Band Mystic Lake Casino Hotel Prior Lake MN
Saturday Sts9 & Umphrey’s McGee Pier Six Concert Pavilion Baltimore MD
Saturday Sts9 & Umphrey’s McGee Booth Amphitheatre At Regency Park Cary NC
Saturday Sts9 & Umphrey’s McGee House of Blues Myrtle Beach Myrtle Beach SC
Saturday Sts9 & Umphrey’s McGee Roseland Ballroom New York NY
Saturday Taylor Swift Amphitheater at The Wharf Orange Beach AL
Saturday Ultimate Fighter 7 Pearl Concert Theater at Palms Casino Resort Las Vegas NV
Saturday Vans Warped Tour Bicentennial Park Miami FL
Saturday Vans Warped Tour Credit Union Centre Saskatoon SK
Saturday Vans Warped Tour Vinoy Park St. Petersburg FL
Saturday Willie Nelson Santa Barbara Bowl Santa Barbara CA
Saturday Wisin y Yandel Orpheum Theatre Boston MA
Saturday ZZ Top Fort Knox Godman Airfield Ft Knox KY
Sunday Brad Paisley Shoreline Amphitheatre Mountain View CA
Sunday Hot 92 Hot Summer Nights – Smokey Robinson Greek Theatre Los Angeles CA
Sunday Radio City Christmas Spectacular (NYC) Radio City Music Hall New York NY
Sunday Santana Fillmore San Francisco CA
Sunday Smokey Robinson Greek Theatre Los Angeles CA