http://twitter.com/adamkillander/status/51244852821753856

tgif.erl

-module(a).
-export([tgif/0]).

-define(MUSIC_ASSOCIATIONS, [{ellnestam, "Love Gun"}, {jockeholm, "Family Affair"}, {mahnve, "My name is (Slim Shady)"}]).

tgif() -> tgif(?MUSIC_ASSOCIATIONS).
tgif([{Person, Track}|Others]) ->
    io:format("@~w plays '~s'~n", [Person, Track]),
    tgif(Others);
tgif([]) -> "Hey! It's friday, have a beer!".