Find all tracks that match a given bit rate in iTunes and create a new playlist containing them

gistfile1.applescript

set track_bpm to 270
set playlist_name to "My Playlist"

tell application "iTunes"
	set retrieved_tracks to get tracks where bit rate is track_bpm
	set created_playlist to make new user playlist with properties {name:playlist_name}
	
	repeat with current_track in retrieved_tracks
		duplicate current_track to created_playlist
	end repeat
end tell