A simple TextExpander snippet for pasting a nice-looking version of your "Now Playing" from iTunes. Uses Applescript — if you have a different music player (Spotify, for example), it probably has similar Applescript support.
For example: ♫ "My Favourite Things" - John Coltrane (The Very Best of John Coltrane, 2000)
set the_string to ""
tell application "iTunes"
if player state is playing then
set the_string to "\"" & name of current track & "\""
if artist of current track is not "" then
set the_string to the_string & " - " & artist of current track
end if
if album of current track is "" and year of current track is 0 then
set the_string to the_string
else if album of current track is not "" and year of current track is not 0 then
set the_string to "*" & "♫ " & the_string & " (" & album of current track & ", " & year of current track & ")" & "*"
else if year of current track is not 0 then
set the_string to the_string & " (" & year of current track & ")"
else if album of current track is not "" then
set the_string to "*" & "♫ " & the_string & " (" & album of current track & ")" & "*"
end if
else
set the_string to "Not Playing"
end if
end tell
return the_string