Brass Ensemble Horn,Trombone,Trumpet,Tuba - Level 2 - Digital Download SKU: A0.1149060 By Mama Cass Elliot. By Barry Mann and Cynthia Weil. Arranged by Bill Willis. Pop. Score and parts. 28 pages. Bill Willis #749184. Published by Bill Willis (A0.1149060). Brass Quintet version of this popular song originally sung by Cass Elliot and later by Paloma Faith. Instrument options: Trumpet/Cornet x 2, Eb Horn/Horn in F, Trombone (Bass or Treble Clef),Tuba/Eb/Bb Bass plus percussion (optional).