D. Criss & C. Colfer - Baby, It's Cold Outside
D.Criss and C.Colfer - Come What May
C.Colfer D.Criss - Baby It’s Cold Outside..
D. Criss and C. Colfer - Got to Get You into My Life
C.Colfer, D.Criss - American Boy
C. Monteith, D. Criss, N. Rivera, C. Colfer, H. Morris, M. Morrison, J. Mays, L. Michele (cover Coldplay *2002*) - The Scientist (from "Glee", 4x04)