in the video, severus snape hears a strange ticking and, noticing it has a catchy rhythm, begins singing to it, followed by dumbledore, ron weasley, hermione granger, and harry potter. towards the end, ron discovers that the source of the ticking is a pipe bomb that explodes as they celebrate, letting lord voldemort sing his name by himself to the tune of "lollipop" by the mudlarks. at the new york premiere of "harry potter and the deathly hallows part 2", alan rickman was interviewed by mtv and quoted as saying “[potter puppet pals] is very beautifully done, that little piece of work. can you get rich from that? i hope they did." daniel radcliffe also mentioned in an interview by mtv that the cast of the "harry potter" film series should do a live action version of "the mysterious ticking noise" for a charity.