Vintage Mr Christmas Jinglelights.  Plays 21 Tunes.  3 volume levels.  Push button control.  5 chouces.  100 Lights Sound New Old Stock.  Music plays when plugged in but does not light up.  According to the instructions,  this is common and it will be necessary to make sure all bulbs are tight and a bad bulb may be present.  With this being a new old stock item I did not want to pull the light strings out to test.  This will be the buyers responsibility