What keys should I be able to blow bend?
From a practical playing standpoint, what keys should I be able to blow bend? I would think that an A harmonica would be the upper limit for practical purposes. Anything above that would probably be too shrill (and really difficult to accurately hit).
If I can master the blow bends up to an A, should I be satisfied with that?
The B is commonly used to slide down from the C to the Bb, or in reverse from the Bb to the C, so it's a chromatic passing tone. It's not used that much, but something worth working on so that someday you can slip and slide like Mitch Kashmar and Kim Wilson can do up there.
I don't think entry-level 1st position blow bending songs really exist (2nd position blow bending is not common), but Jimmy Reed's songs are as close as you're going to get.
I did write a song, recorded it... hated it. Focusing on blow bending for 2nd Position over an entire song just doesn't work. Experiment with using some blow bends on the IV7 Chord (Bars 5 and 6 primarily), but don't stay there too long or you're tonicize C, making your transition back to G in Bar 7 sound strange.
Key of C on a G harmonica is 12th position so your second position licks won't work over the IV chord in bars 5 and 6.
You can play your second position licks over the V chord in bar 9.
Yes, that is a good idea. And if you're really slick, try some F A C Eb notes when the IV7 comes in bar 10 as you're moving up, leading to the C in the I7 in bar 11.
Afternoon Marc. G and A Harmonicas are most common, but I find that I use blows bends commonly up to a C Harmonica.