Explanation:

- Ali Akbar Khan was a legendary Indian musician celebrated for his mastery of a particular instrument.

- Option 1: Sarangi is a string instrument, but it’s associated more with musicians like Ustad Sultan Khan.

- Option 2: Manjira are small hand cymbals, used in Indian folk and devotional music, not typically linked to a specific maestro.

- Option 3: Sarod is the instrument prominently associated with Ali Akbar Khan. It's a fretless string instrument known for its deep, weighty, introspective sound.

- Option 4: Veena is a classical Indian string instrument, versatile in South Indian Carnatic music, and is not Ali Akbar Khan's specialty.

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