When you play a sound (any sound) and before it ends you pause the game (entering command block, escaping, etc) when you resume, the sound will start over, rather than not playing or continuing.
Related issues
Comments
Please do not mark issues as private, unless your bug report is an exploit or contains information about your username or server.
Duplicate of MC-35714 – If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.