In article ,
Bill who putters wrote:

Hello I got a lot of music in Itunes. Some how files not from Amazon
MPEG or protected turned into AAC these from my CD's. Can I get them
back ?

I used to just type .Mp3 to send a friend a sound.

But this now occurs .

Attachment converted: Billy's Macintosh HD:04 Struggle For Pleasure
1.mp3 (M4A /hook) (004A8B17)

Dumfounded.

Bill

Before importing from your CDs go to iTunes / Preferences / General /
When you insert a CD... click on Import Options and set your encoder
and quality settings.