I just reached 230K Artistry, and discovered where the BUG is (sort of).
If you enter straight 8000chars, all in 1 track, it plays...
→ so it will play 8000chars... ✅
If you enter, 10 short tracks, it plays...
→ it will play 10 tracks @ the same time....✅
Now it gets messy since i don't know...