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原文

Two Duets for Tuba. Hippolyte Niessel arr. Graham Boag. Duet. Graham Boag. Bass in Bb 1. Bass in Bb 2. Bass in Eb 1. Bass in Eb 2. Tuba 1. Tuba 2.

译文

Two Duets for Tuba. Hippolyte Niessel arr. 格雷厄姆BOAG. 双人. 格雷厄姆BOAG. 低音降B 1. 低音降B 2. 低音降E大调1. 低音降E大调2. Tuba 1. Tuba 2.