2. Peter likes singing songs and playing music with an electric piano. (a) Peter uses an electric piano to play and record some music in a file. He then plays the file back with the sound of violin....

2. Peter likes singing songs and playing music with an electric piano. (a) Peter uses an electric piano to play and record some music in a file. He then plays the file back with the sound of violin. (i) What is the file format? (ii) Other than file size, give an advantage of using the file format in (a)(i).