Gary's Blues - Difficult 3 draw on G Harp

Hi David,

I've been working on Gary's Blues since October but the 3 draw on the G harp is really slowing me down.  I can get a fairly decent pull if I use a lot of breath, but not much of a dip or bend.  Even playing at 30% slow is too fast for me to get the full note.  I don't have problems with any other notes on the G harp or on the other harps (A, C, D and Bb).  I can play Gary's Blues much better with the other harps (playing in a different key).  

Can I submit Gary's Blues to you in a different key?  Or, should I just keep working on the G harp?  I've been playing for over a year now and this is a bit frustrating.

Teresa