Riddle

The more holes you cover the lower it goes.

Choose an answer

A.Flute
B.Ocarina
C.Whistle
D.Recorder
Hint: It's a word with 8 letters, starting with "R".

Answer

Recorder

Why this is the answer

On a recorder, covering more finger holes lengthens the vibrating air column, which lowers the pitch of the note.

This riddle is filed under Hard/Difficult Riddles and rated Medium.