There are a number of bands with the name Alliance.
1. The AOR/Melodic Rock supergroup Alliance formed in 1997 features Robert Berry ( Guitarist, Vocalist & Producer - Robert Berry, Hush, 3 ), David Lauser ( Drummer - Sammy Hagar, Sammy Hagar And The Waboritas, Justice Brothers ), Gary Pihl ( Guitarist - Sammy Hagar, Boston ), & Alan Fitzgerald ( Bassist & Keyboardist - Night Ranger, Sammy Hagar ).
2. The rock/postrock band Alliance has existed in different constellations since late 2003 and with the current lineup since january 2005. Read more on Last.fm