GOLD rosin is especially balanced and varied in its' properties, and is therefore diversely usuable. The tone is round, full and warm, and at the same time radiantly clear. It is very flexible and extremely well suited to draw various tone nuances from the instrument. The softer metal temper can help to lessen and refine hardness and sharpness in an instrument, the harder metal temper can help a too soft instrument to more clarity and determination. The harder rosin is often preferred when playing solo.