When I went through the process of dragging a file from the iOS device to the Mac via iTunes once, I found several better, faster ways.
Select send as wav
Send to -- & a variety of options open up. I've tried the following with success
- airdrop to my mac
- add to notes - the wave file can be played on the iPad from there
- copy to ... & here there are several options
- -- TE Tuner (tonal energy tuner - an app I love and can't do without any more) which will play your files, and analyze them, and other things on your iPad. -- Dropbox & OneDrive. --- Save to Files (via iCloud can save/ send to iCloud and any other connected service.
Sending things via the Notes app is very handy because they're immediately available (and playable) on the iPad and any of your connected devices. So for a quick check, it's really handy.
I use the same process for looking at Parts before printing -- send to iBooks or Kindle -- they show up fast and you get a more accurate view than using Dynamic Parts to see what the parts look like.