Thanks!

The different story elements don't work together in the one plot, mostly as a result of them lacking a cause and effect relationship.

Break the story down before trying again so you can better understand the story.

What is the first event that motivates the MC to take action?
Is it him becoming a musician? Is it him being arrested? Is it him being sent back in time? Or is it him discovering that the girl is the key to his musical career?

I think it's the last one as it is the only thing that motivates him to take action, all the rest are planned events as part of his choices in life. Seeing as it's the discovery, it's the only event that needs to be described in the beginning, for example:
After he discovers that a blind girl in the old west is responsible for his musical genius, a time traveling convict must teach her piano to secure his career before he is sent back to the future.

My biggest concern with this concept is the lack of obstacle and cinematic action. Sure it's harder to teach a blind person piano than a 20/20 person but it's not impossible, and teaching piano is boring on screen - he doesn't really do much else than sit and play.

Are there any bad guys he can fight or something else he can do that would make his action more seductive for a camera?

The fact that you come up with so many variations on the logline seems to be a symptom of too many moving parts in the plot.

And one of the most important moving parts isn't even mentioned. ?To wit, ?how is it possible for him to trip back through time? ?Who enables him?

And why? What is their purpose in sending a prisoner back in time? What is at stake? ?Backwards and forwards in time, there a legions of people needing to be rescued. ?Why this blind girl? ?What is so important about her that she has been targeted to be rescued? ?And why, of all the possible rescuers, do they assign the mission to a criminal? ?If she's so important, why don't they send a doctor, or someone with demonstrated humanitarian impulses and skills?

The fact that you come up with so many variations on the logline seems to be a symptom of too many moving parts in the plot.

And one of the most important moving parts isn't even mentioned. ?To wit, ?how is it possible for him to trip back through time? ?Who enables him?

And why? What is their purpose in sending a prisoner back in time? What is at stake? ?Backwards and forwards in time, there a legions of people needing to be rescued. ?Why this blind girl? ?What is so important about her that she has been targeted to be rescued? ?And why, of all the possible rescuers, do they assign the mission to a criminal? ?If she's so important, why don't they send a doctor, or someone with demonstrated humanitarian impulses and skills?