A tremolo clamp for attaching to a tremolo-equipped musical instrument having a tremolo arm and retaining the tremolo arm in a selected position. The tremolo clamp includes a clamp rod extending in a longitudinal direction, a fixed clamp arm fixedly attached to a first end of the clamp rod, a first positionable clamp arm slidingly attached along the clamp rod, and a second positionable clamp arm slidingly attached along the clamp rod. The first positionable clamp arm is arranged between the fixed clamp arm and the second positionable clamp arm.

An instrument holder includes an elongated crossbar including a back surface and a front surface and extending between a first end and a second end, the first end having a perpendicular portion, and the second end including an angled portion and an offset portion, a slot bar coupleable to the first end of the elongated crossbar at the perpendicular portion, and a cradle coupleable to the second end of the elongated crossbar at the offset portion, the cradle being configured and arranged to couple to the back surface of the offset portion.

An instrument holder includes an elongated crossbar including a back surface and a front surface and extending between a first end and a second end, the first end having a perpendicular portion, and the second end including an angled portion and an offset portion, a slot bar coupleable to the first end of the elongated crossbar at the perpendicular portion, and a cradle coupleable to the second end of the elongated crossbar at the offset portion, the cradle being configured and arranged to couple to the back surface of the offset portion.

An instrument holder includes an elongated crossbar including a back surface and a front surface and extending between a first end and a second end, the first end having a perpendicular portion, and the second end including an angled portion and an offset portion, a slot bar coupleable to the first end of the elongated crossbar at the perpendicular portion, and a cradle coupleable to the second end of the elongated crossbar at the offset portion, the cradle being configured and arranged to couple to the back surface of the offset portion.

An instrument holder includes an elongated crossbar including a back surface and a front surface and extending between a first end and a second end, the first end having a perpendicular portion, and the second end including an angled portion and an offset portion, a slot bar coupleable to the first end of the elongated crossbar at the perpendicular portion, and a cradle coupleable to the second end of the elongated crossbar at the offset portion, the cradle being configured and arranged to couple to the back surface of the offset portion.

A musical instrument stand includes a base, a first cradle arm assembly rotatingly connected to the base, and a second cradle arm assembly rotatingly connected to the base. Each of the first cradle arm assembly and the second cradle arm assembly is configured to rotate with respect to the base when the musical instrument stand is in an unfolded position.

A musical instrument stand includes a base, a first cradle arm assembly rotatingly connected to the base, and a second cradle arm assembly rotatingly connected to the base. Each of the first cradle arm assembly and the second cradle arm assembly is configured to rotate with respect to the base when the musical instrument stand is in an unfolded position.

A restringing device for a stringed instrument may include a guide chuck with one or more guide holes. The restringing device may also include one or more mandrils traversing through the one or more guide holes in a z-direction to restring a string around a tuning peg of the stringed instrument.

Disclosed herein are various embodiments of devices and systems which may be reversibly coupled to a sound hole of a hollow-bodied stringed instrument for the generation of percussive musical sounds. Various embodiments herein disclosed comprise various means of reversibly coupling a percussive attachment with a musical instrument, and comprise adjustable device body lengths and angular orientations relative to the hollow body of musical instruments so as to allow percussive sound-generating elements to produce musical sounds from within a resonating chamber of the hollow-bodied instrument through interaction with an inner surface thereof.

An auxiliary string pressing device for guitar playing includes a bracket, wherein the bracket having a bracket mounting structure, the bracket is provided with elastic pieces, each elastic piece having a fixed end and a movable end, the fixed end of the each elastic piece and the bracket being connected by an elastic piece fast mounting structure, a front face of the movable end of the each elastic piece is provided with a key, and a back face of the movable end of the each elastic piece being provided with a string pressing block. The auxiliary string pressing device uses an elasticity of the elastic pieces to reset, wherein a structure is simplified. The elastic piece fast mounting structure of the elastic pieces and the bracket enable the elastic pieces to be replaced by such a mounting structure.