First 50 Guitar Duets You Should Play

Rock-it 3 - Back in Black (Arrangements for Guitars, Bass and Percussion)

Rock-it 2 - Nothing Else Matters (Arrangements for Guitars, Bass and Percussion)

Rock-it 1 - Sweet Home Alabama (Arrangements for Guitars, Bass and Percussion)

Michael Jackson: Billie Jean (arr. Michael Langer) - 4 guitars; score and parts

Acoustic Pop Guitar Duets (Michael Langer) - incl. CD