The Beach Boys’ Brian Wilson has postponed his tour dates throughout the month of June, noting that he is taking time off to focus on his mental health.

The 76-year-old musician, known for co-founding the iconic ’60s rock group The Beach Boys, is currently on a headlining solo tour in support of the group’s Pet Sounds 1966 record, as well as his greatest hits. However, he is unable to proceed with scheduled shows this month in cities like Atlantic City, Baltimore, Nashville, and Aurora due to some mental health issues.

“It is no secret that I have been living with mental illness for many decades,” Wilson said in a statement on his website. “There were times when it was unbearable but with doctors and medications I have been able to live a wonderful, healthy and productive life with support from my family, friends and fans who have helped me through this journey.”

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He went on to explain that he is feeling stronger after undergoing three surgeries on his back, however, after the last surgery he started to feel “mentally insecure” and couldn’t explain why.

“I had every intention to do these shows and was excited to get back to performing,” he continued. “I’ve been in the studio recording and rehearsing with my band and have been feeling better. But then it crept back and I’ve been struggling with stuff in my head and saying things I don’t mean and I don’t know why. Its something i’ve never dealt with before and we cant quite figure it out just yet.”

Wilson said he is going to rest, recover, and work with his doctors on this issue and is looking forward to seeing his fans later this year.

At this time, rescheduled shows have not been announced, but ticketholders will be able to receive refunds at point of purchase.