Whose song is there again?

Artist		Album
American Suitcase		Summerman
Heinz Sauer		If (Blue) then (blue)
Heinz Sauer, Michael Wollny, Joachim Kuhn		If (Blue) Then (Blue)
		If (Blue) Then (Blue)
Michael Wollny		If (Blue) Then (Blue)
Ziggi		So Much Reasons