Bach achieved success as the front-man of Skid Row (1987-1996). He then maintained a solo career, as well as acting on Broadway, as well as appearances in film and television, most notably on shows Trailer Park Boys and Gilmore Girls. As a soloist, and with help from other musicians, he has recorded Bring 'Em Bach Alive! (1999), Angel Down (2007), Finding My Way EP (2009), Kicking & Screaming (2011) and Give 'Em Hell (2014).
Bach starred with Ted Nugent, Scott Ian, Jason Bonham and Evan Seinfeld on the VH1 show Supergroup in May 2006. The musicians formed the band called Fist which later in the show was changed to Damnocracy for the reality show, during which they lived in a mansion in Las Vegas for twelve days and created music. He announced a partnership record label with 'EMI' to jointly create a label owned by Bach, including his album Angel Down, which was released on November 20, 2007. Bach also recorded backing vocals for the track Sorry on Guns N' Roses' Chinese Democracy album (2008). He spent the summer of 2008 playing with Poison and Dokken.
Formed in 2007, Big Noize was an All-Star band consisting in founder member and drummer Vinny Appice (ex-(Black Sabbath, Dio, Heaven & Hell)) plus guitarist Carlos Cavazo (Quiet Riot; later replaced by George Lynch (Dokken, Lynch Mob), bassist Phil Soussan (Ozzy Osbourne) and vocalist Joe Lynn Turner (Rainbow). Turner was replaced by Bach for the Kavarna Rock festival on July 14, 2012 and for a tour to South America, starting in Chile on July 9, 2013.
In 2019, Bach toured behind the 30th anniversary of Skid Row's self-titled debut album, playing it live in its entirety.