 
 <prompt> How many songs dey for Billboard chart? Given di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: ```For 1978, Queen tour US and Canada, and spend plenty time for 1979 touring for Europe and Japan. Dem release their first live album, Live Killers, for 1979; e go platinum twice for US. Queen still release the very successful single "Crazy Little Thing Called Love", a rockabilly inspired song wey dem do for the style of Elvis Presley. The song enter top 10 for many countries, top the Australian ARIA Charts for seven weeks, and na the band first number one single for United States where e top the Billboard Hot 100 for four weeks. Mercury wey write the song for guitar and play rhythm for the record, play rhythm guitar while dem dey perform the song live, wey be the first time wey e play guitar for concert. For December 1979, Queen play the opening night for the Concert for the People of Kampuchea for London, after dem accept request by the event organiser Paul McCartney.``` 