I'm pretty sure it would be considered fair use, even if it was quite heavily influenced (and in some parts, taken) from a work. It isn't like anyone is going t

I'm pretty sure it would be considered fair use, even if it was quite heavily influenced (and in some parts, taken) from a work. It isn't like anyone is going to listen to the two pieces and get them confused nor is any copyright holder going to lose money because someone plays their song so slowly that most folks just hear a single tone, even if they stay for days.