'Tis the season for co-headlining tours, with Megadeth, Slayer, Collective Soul and Gavin DeGraw all in the daily tour recap for May 18, as compiled by TicketNews.

There are collaborative tours for all tastes this season, from heavy to light rock. Thrash metal veterans Megadeth and Slayer are teaming up for their first shows together in about 15 years. Four dates are booked on the appropriately named Canadian Carnage tour. Meanwhile, for those who prefer their music a bit more soothing, Collective Soul and Gavin DeGraw have announced their own 12-show partnership this summer.

Offers iTune Buyers First Dibs on Presale Tickets

If users pre-ordered Tori Amos's new album American Doll Posse from iTunes, they can use the password that was emailed to them to purchase up to four presale tickets beginning July 25th at 10am. They will receive another email from iTunes when more shows become available for this promotion.

For the first leg of her tour, the shows with presales will be: Albany, NYC, Syracuse, Philadelphia, Boston, Buffalo, Washington DC, Detroit, and Louisville

Information on pre-sales for additional markets will be posted in the coming weeks. Check www.TicketLiquidator.com for additional Tori Amos concert Tickets and tour information.

Tori Amos - 2007 Tour Dates

10/9 Albany, NY Palace Theatre
10/11 New York, NY Theatre at Madison Square Garden
10/12 New York, NY Theatre at Madison Square Garden
10/13 Syracuse, NY Landmark Theatre
10/15 Philadelphia, PA Tower Theatre
10/18 Boston, MA Orpheum Theatre
10/21 Montreal, Canada Place des Arts
10/23 Toronto, Canada Hummingbird . . .