Garageband Playback is Very Fast

Apple-Ygz wrote:

When I load a .mp3 file to GarageBand, It plays it very fast. What can I do?

although this is slightly out of date, this video explains the issue and should point you in the right direction to solve it (in just under 2 minutes):

https://www.youtube.com/watch?v=8FJ0OSCbNAI&list=PLrbREdrV0FcclT--Ay7pZATWGHGRf5M2Q&index=12&t=0s

Apple-Ygz wrote:

I cannot find "Convert to AIFF" option.

look for a "Convert" menuItem under the File menu