Heroin and God

Godsmack

GOD was an Australian band, and Love was a 60's/early 70's American band

Both bands suffered from heroin addictions amongst their members.
I don't know about Godsmack, though

"It's my wife, and it's my life" -Lou Reed (Velvet Underground)

hero win! (beat the addiction)
Stay at the Hair Row Inne. Okay, now I'm just being stupid.

Alice in Chains has a song called 'God Smack' on their album, Dirt