Please help
发表时间 Mon 05 Apr 21 @ 9:23 am
rerecord it.
发表时间 Mon 05 Apr 21 @ 10:57 am
Load it in Audacity, change key, save. Job done.
发表时间 Mon 05 Apr 21 @ 11:23 am
Could also use a POI at the start of each track, that sets the key to whatever you need.
发表时间 Mon 05 Apr 21 @ 2:33 pm
POI, and set key +/- 12

发表时间 Tue 06 Apr 21 @ 6:46 am