first I should say that it wasn't easy to make up my mind and to decide on what albums out of nearly 450 are the best. 450 is the number of albums tagged '2013' i found on my hard drive (but i suppose that there was a lot more of them as sometimes it happened that an album was deleted after the first track). yes, i've listened to most of them only once. yes, i don't remember what some of the rest are about. but you can't remember all things you've liked, can you? each period of the year had its album, its tracks. you're obsessed with one album, then another comes out and the first one takes a backseat.
so i didn't want to miss something and decided to make it this way: i made use of last.fm charts, MS Excel, date calculator. some indexes, values, quotients were delivered.
and finally i got something which was rather admissible. although i would move some bands up a bit.
actually, i came up with the three leaders at once, and this was proved by the data. …