What is the difference among the musical instruments? Are they different slightly?

1. pipe 2. flute 3. recorder

1 answer

1. There are many kinds of pipes, with many different sounds.
https://www.google.com/search?q=playing+the+pipes&oq=playing+the+pipes&aqs=chrome..69i57j0l5.2953j0j7&sourceid=chrome&ie=UTF-8

2. The flute has a range of sounds:
https://www.vsl.co.at/en/Concert_flute/Sound_Characteristics

3. The recorders that I've heard have lower tones than the flutes.
https://www.google.com/search?q=sounds+of+recorder&oq=sounds+of+recorder&aqs=chrome..69i57j0l5.5256j0j7&sourceid=chrome&ie=UTF-8

I'll give you a fourth -- the piccolo. It's noticeably higher than any of the others.
https://www.youtube.com/watch?v=3EFLa5dK-nU