Peter has sung the following songs on various KISS albums. If I left any out, please let me know.

Black Diamond ~ KISS

Beth~ Destroyer

Mainline~ Hotter than Hell

Strange Ways~ Hotter than Hell

Hard Luck Woman~ Rock and Roll Over

Hooligan~ Love Gun

Nothing to Loose~ KISS

Baby Driver~ Rock and Roll Over

Dirty Livin'~ Dynasty

Getaway~ Dressed to Kill

I Finally Found My Way~ Psycho Circus

I'm Gonna Love You

You Matter to Me

Tossin' and Turnin'

Don't You Let me Down

Thats the Kind of Sugar Papa Likes

Easy Thing

Rock Me, Baby

Kiss the Girl Goodbye

Hooked on Rock 'N' Roll

I can't Stop the Rain