Piano,Tenor Saxophone - Level 2 - Digital Download SKU: A0.1235116 Composed by Brian Dong Ho Lee, Hong Jun Park, Jeong Hun Seo, and Rebecca Rose Johnson. Arranged by Kaiserin Rebecca. Contemporary,Disco,Pop. Score and part. 6 pages. Kaiserin Rebecca #830652. Published by Kaiserin Rebecca (A0.1235116). Don't Know What To Do by Blackpink. For tenor saxophone solo and piano accompaniment with chords.Key: B flat major. Duration: 1'55.