Spells: Bard: Selo's speed not changing

[Ryko]

Not sure if this is classic however it seems to have changed recently:

Before: I had selos running with my drum, I changed to weapons without turning off selos and the next tick of selo's would reduce my speed to that of not having a drum.

Now(just started noticing it, possibly after patch, didn't see any notes on this): I have selos running with my drum, I switch to weapons without turning off selos and I continue to run at Drum speed UNTIL I restart the song, tested indefinitely(or at least a few minutes).

I feel as if this new occurrence with no drop off is a bug, however I may have just missed something. Wanted to bring it to peoples attention.