PvZ2 QOL Bug (Final Wave Sound Issue?)

This has been something I’ve noticed for a while now and I’m not sure if it’s a bug or not: When “Final Wave” in PvZ2 pops on the screen, there is no sound for it unlike in the OG PvZ, where there is sound for it. Nothing serious, just a QOL concern. Here's the link to the video on Twitter I posted so see and hear for yourselves: Link to Video