Tuesday Tunes

Word association again. Can you guess the theme?
Remember it could be a song or a band or an album, whatever you think of first when you see these ten words. Are you ready? Go!

Green:
Beer:
Harp:
Irish:
Celtic:
Gold:
Luck:
March:
Folk:
Stone:

Mine are:

Green: Green River - Creedence Clearwater Revival
Beer: In Heaven There Is No Beer
Harp: Joanna Newsom - she plays it
Irish: U2
Celtic: Celtic Woman
Gold: Heart of Gold - Neil Young
Luck: Lucky Boy - Matt Nathanson
March: Ants Marching - Dave Matthews Band
Folk: Pete Seeger
Stone: And It Stoned Me - Van Morrison

Tell me yours in the comments, if you want to play along.