Instrumental Duet Double Bass,Instrumental Duet,Violin - Level 3 - Digital Download SKU: A0.852144 By Colbie Caillat. By Hugh Martin and Ralph Blane. Arranged by Caroline McCaskey. Jazz. Score and parts. 5 pages. AltStrings #2893591. Published by AltStrings (A0.852144). This arrangement is perfect for third year players, around middle school age (due to chromaticism in harmony).