Average song length and size in mb
377815mb/53940songs = 7mb/song
(173days*24hours*60minutes+14hours*60minutes)/53940songs = 4min 38 sec
—
Sun Mar 8 16:09:03 CET 2009
457473mb/66241songs = 6.90mb/song
(208days*24hours*60minutes+3hours*60minutes)/66241songs = 4min 31 sec
—
what is your average playtime and size of a song? please paste results in a comment below.

