All eyes in the rock world are on Wolfgang Van Halen, who releases his debut album as MammothWVH today. after years of playing bass in Van Halen (as well as in Mark Tremonti’s band Tremonti). There’s obviously a lot of love for him… but is he a frontman? The album, which features him singing, as well as playing all of the instruments, has gotten nearly universal positive reviews from fans in the few hours since it was released.

Wolfgang has put together a band and they’re making their live debut in a few weeks, and they’re going big: their first show will be at Hersey Stadium in Pennsylvania, opening for Guns N Roses.

Here are some of the fans’ reactions to the album.