Firth of fifth (live)

Whose song is Firth of fifth (live)?

Artist Album
Genesis
Turn it on again
Turn It On Again (Best Of '81 - '83)
Turn it on again (Best of '81-'83)
Turn It On Again - Best Of '81 - '83
Turn It On Again: Best of '81 - '83
Genesis - Turn It On Again Best Of '81 - '83
Genesis - Turn It On Again Best Of '81 - '83
Steve Hackett
Genesis Revisited: Live At The Royal Albert Hall - CD2