sentences:  Ghostlight's "Book of Mormon" album was the first Broadway cast recording to break into the Billboard Top 10 since the original 1969 release of "Hair", taking its place as the biggest-selling digital cast recording of all time.The label's Original Broadway Cast Album for "In the Heights" also debuted at #1 on the Billboard Top Cast Albums chart and arrived on the "Billboard" 200 at #82.In June 2017, Sh-K-Boom entered a joint venture with Warner Music Group's Arts Music division.