| 摘要 |
A device for forming chords on stringed musical instruments of the type having a fingerboard, the device comprising means (55, 56) for pressing a plurality of strings on to the fingerboard at a chosen position along the fingerboard, the device being rotatable about said means to raise the pitch of at least one string and to lower the pitch of at least one string relative to the pitch achievable by said means pressing the respective string at the chosen position.
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