25 or 6 to 4-Chicago Cover–Andreas Kmmert und Gerd Knebel Mai 28, 2015 Chicago II, Cover, Cover 25 Or 6 To 4, Cover Chicago, Cover Pop, Cover Rock, If You Leave Me Now, Chicago Cover von Andreas Kmmert und Gerd Knebel. Like 0 Thanks! You've already liked this « Hard To Say I’m Sorry – Chicago (Piano Cover) » Beginnings Chicago Cover – Pop Symphony Ensamble