Frets on fire Game

Hello I have installed frets on fire game but it won’t load after Install I get this error message The file /home/andy/games/frets-on-fire/Frets On Fire could not be found don’t understand when I go in the folder it is there
Please help as used to love playing this on windows but not on windows now gone to Linux as most games I play work really well

Hello Update I have found out the problem is the file FretsOnFire.py is not in any of the folders I have download the zip file and it is not in there so that’s, why it is not loading can anybody tell me, is it possible just to get that file or a place where all the files are there, please Thankyou who ever can help