Which direction should the bow be drawn when playing a note on a bowed string instrument for an up bow?

When playing a note on a bowed string instrument, an up bow refers to the motion of drawing the bow from the tip towards the frog (the thicker end of the bow). This action can be visualized as moving the bow upward relative to the player's point of view when holding the instrument.

This upward motion is fundamental to the technique of bowing and is utilized to produce a specific sound and dynamic quality associated with an up bow. Mastery of this technique is essential for achieving expressive playing, as it allows the musician to control volume and tone.

Other options do not accurately describe the motion required for an up bow. A downward motion would represent a down bow, while sideways and across are not relevant in the context of producing notes on bowed string instruments. Understanding the difference between these motions is crucial for developing proper bowing techniques and achieving the desired musical outcome.