A musical instrument stand has a tripod device, a main shaft disposed on the tripod device, a holder device disposed on the main shaft, at least a retainer device, and at least a bracket device. The retainer device is disposed on the main shaft. The bracket device engages with the retainer device. The tripod device has a joint, and three legs connected to the joint. The main shaft has a first tube engaging with the joint, and a second tube inserted through the first tube. The holder device has a main seat, a connector connected to the main seat, a fixed fastening device, a movable fastening device, and the connector engaging with the main shaft. The main seat has a generally U-shaped pad, an aperture engaging with the fixed fastening device, and a socket portion engaging with the movable fastening device.