Track 1: I Sing Because I'm Happy SAB – Accompaniment Track – arr. Rollo Dilworth, Kenneth Paden-1

Track 2: I Sing Because I'm Happy SAB – Alto Muted – arr. Rollo Dilworth, Kenneth Paden-1

Track 3: I Sing Because I'm Happy SAB – Alto Predominant – arr. Rollo Dilworth, Kenneth Paden-1

Track 4: I Sing Because I'm Happy SAB – Balanced Voices – arr. Rollo Dilworth, Kenneth Paden-1

Track 5: I Sing Because I'm Happy SAB – Baritone Muted – arr. Rollo Dilworth, Kenneth Paden-1

Track 6: I Sing Because I'm Happy SAB – Baritone Predominant – arr. Rollo Dilworth, Kenneth Paden-1

Track 7: I Sing Because I'm Happy SAB – Soprano Muted – arr. Rollo Dilworth, Kenneth Paden-1

Track 8: I Sing Because I'm Happy SAB – Soprano Predominant – arr. Rollo Dilworth, Kenneth Paden-1