The external media drive has always had a recycle bin:
- This is not windows this is MacOS
- It was working perfectly the previous day prior to the fresh install and restore of my clone
This morning just for giggles, clicked on the Advanced Preference to reset all dialogue warnings - no idea why that would make a difference as it's just warnings, and it seems on first glance to be working again and items deleted from iTunes are first appearing in the recycle bin before 'final' deletion from there.
V strange. My next try would have been repairing the recycle bin with rm -rf ~/.Trash but didn't think that necessary as items deleted from my external boot drive already go to the recycle bin as do items merely sat on my external media drive, just not from the iTunes app.