Questions on Groups

[Michael]

Thanks Simon. I had A-Z enabled but disabling it has not helped.

Here are some screenshots. I have an album of 4 Bach violin concertos. Here it is under the top-level list of composers:
   
Here it is under the top-level list of albums. The groups are listed as tracks:
   

From the first screen above, tapping on the 3 dots by the 1st concerto gives:
   
And then tapping on 'Play' results in a queue like this:
   
The 1st movement is playing but it's queued after the other 2 movements, which never get played.