Bob is getting annoying. So now I have a dare for you: Please stop posting pictures of him everywhere.
It's impeding everyone's learning because they can't find authentic homework questions BECAUSE ALL THEY CAN FIND IS BOB!!!
Please, stop posting Bob everywhere. If you put him here I'll report you.
Please, make sure Bob goes home. He does not belong here.

sure

Explanation:

I agree with you! All BOB does is distract us from doing homework or getting help for our homework.

This is the only website I know that really helps me with homework, and I really don't like this Bob thing.

I really hope this Bob gets off this website.

Thank you.

Bye, Bye~  

it seems to me that yes they solo on the chord changes.  coltrane for sure solos on the chord changes. instead of changing scales, they use a different method over the chord changes. this melody is very  unique but may often times even be considered simple, which is quite common in this modal  type. for example, there are changes from the key of minor to major in this piece, which makes it  unique in its own way.