Tracks frozen

[RevSkelton]

I recorded 4 tracks but when I converted the song to a MP3 only the bass track appeared on the audio. Now the drums and guitar tracks won’t play at all and they are not muted?

[TrevsAudio]

just so we fully understand the problem, when you say 'convert to MP3' are you using File>Mix Down To>MP3; and is everything unmuted and playing properly in the project before that?

[RevSkelton]

Yes that is correct. everything is un muted before I mixed it down to an MP3 file. I must warn you that my knowledge is limited as I have only been using mixcraft for a couple of days. Last night I tried to see if I could restore the tracks but I had no luck. I started over and recorded a new drum track and guitar track but then somehow I clicked on something that combined the drum track with the guitar track. I'm sure most of this is my lack of experience an background in home recording. However I appreciate anyone who can make time to help. Should I be doing multiple file saves as I build the song so I have something to fall back on if I mess up the track while I am learning? Is there an undo function?

[TrevsAudio]

Ah, so you're brand new then
First up, welcome to the forum; you'll always find plenty of help here.
What I'd first suggest is that you spend a little time on the 'basics'. There are great tutorials on the forum (4th item from top in topics.)
Here's a great place to start...
https://acoustica.com/mixcraft/videos/m ... ersity-101