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Yamaha YSL350C Compact Bb/C Tenor Trombone - Online Musical Instrument Specialist
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Jupiter JTB720VR Student C Valve Trombone - Clear Lacquer | Sweetwater
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instruments - Trombone C Vs Bb : Fundamental Vs transposing - Music: Practice & Theory Stack Exchange
Um, why is trombone considered a b-flat instrument if we read in concert bass clef??? : r/Trombone
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Trombone - Wikipedia
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C Valve Trombone – PC912 – Wessex Tubas
