Listen to The Young Person's Guide to the Orchestra, Op. 34: XIII. Variation L. Trombones and Bass Tuba online. The Young Person's Guide to the Orchestra, Op. 34: XIII. Variation L. Trombones and Bass Tuba is an Instrumental language song and is sung by Fuat Mansurov, Bolshoi Theatre Orchestra and Grand Symphony Orchestra of All-Union National Radio Service and Central Television Networks. The Young Person's Guide to the Orchestra, Op. 34: XIII. Variation L. Trombones and Bass Tuba, from the album Britten: The Young Person's Guide to the Orchestra, Op. 34 — Ippolitov-Ivanov: Mtsyri, Op. 54, was released in the year 2017. The duration of the song is 0:45. Download Instrumental songs online from JioSaavn.