Great advice. I would like to add that exporting to wav with the settings "320 kbits" and "Sinc Very best" gives you almost perfect sound quality for your master file. The file size will be about 20 mb for a 2 min song (which is good sound quality) but you can convert it to Mp3 in Audacity and produ...
a menu option/tool for adding ready made Chords and scales in piano roll.

Another WAY more expensive DAW has this feature.

Thanks for all the work you guys do on this program, it's really one of the best open source projects and DAW out there.