Thanks! These are both good answers.
@Bill N
I'm working my way slowly through 1-2-3 Anglo, and though I haven't yet hit the parts on alternate fingerings (or the second row for that matter), I was able to find a few -- particularly hitting the G row for the high A instead of using my little finger to get it on the C row. I probably wouldn't always do that, but it's nice to know it's there.
@Kelteglow
Using the bellows to get the two consecutive notes forced me to use the bellows more efficiently in just a few hours of practice. So thanks for the advice.
It would be nice to find a teacher just to help me along, but while accordion teachers are thick on the ground here, there don't seem to be any concertina teachers.
Thanks,
Doug