Reeds is the correct answer to the crossword clue for Bassoons and Oboes. Reed instruments are woodwind instruments that use a reed to produce sound. The reeds used in bassoons and oboes are made from either cane or synthetic materials. These reeds vibrate when air is blown through them, creating sound. Bassoons and oboes are both double reed instruments, meaning they have two reeds that vibrate against each other to create sound.