Best of Bach Book & Bb Tenor Slide Trombone Pack - Includes Trombone w/Case by Band Directors Choice & Accessories & Play Along Book Bb Tenor Slide Trombone Pack- Includes Trombone w/Case by Band Directors Choice & Accessories & Play Along Book. Band Director Recommended Student Trombone. Excellent choice for the beginning player. Trombone with lacquer finish. Key: Bb, 8" bell - telescoping playing slide (top: .478", bottom: .517"). Features nickel silver outside slides on bell side, brass inside slides. Includes silver plated mouthpiece, durable case, metal cleaning rod + Warranty. Best of Bach-These great play-along book/CD packs for solo instrumentalists include 12 classics from the beloved composer: Air from Suite No. 3 in D  Bouree  Brandenburg Concerto No. 2 in F Major, First Movement Excerpt  Brandenburg Concerto No. 5 in D Major, First Movement Excerpt  Brandenburg Concerto No. 2  Brandenburg Concerto No. 3  Brandenburg Concerto #6  Concerto for Two Violins  Jesu, Joy of Man's Desiring  Minuet in G  Sheep May Safely Graze  Sleepers, Awake (Wachet Auf).