Photo 1 of TERENCE Mechanical Metronome for Piano Guitar Violin Bass Drum and Other Musical Instruments Loud Sound and High Precision Track Beat and Tempo, Portable Metronome Gift Teaching for Beginners

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Photo 1 of TERENCE Mechanical Metronome for Piano Guitar Violin Bass Drum and Other Musical Instruments Loud Sound and High Precision Track Beat and Tempo, Portable Metronome Gift Teaching for Beginners