Confident (album) move on and be happy with someone else. The song incorporates pop and soul influences, and is centered on a piano melody, with a stripped down production aimed at highlighting Lovato's vocals. "Stone Cold" received comparisons to Lovato's 2011 song "Skyscraper" and the work of English singer Adele. The album follow with the trap-inspired song "Kingdom Come" it features vocal appearance by rapper Iggy Azalea. Several critics noted that the song is comparable to Azelea's "Black Widow" (2014) featuring Rita Ora. "Waitin for You" featuring vocals by singer Sirah, musically, it's an R&B and hip hop song that starts with
Trouble (Iggy Azalea song) Trouble (Iggy Azalea song) "Trouble" is a song by Australian rapper Iggy Azalea featuring American recording artist Jennifer Hudson, taken from "Reclassified", the former's 2014 reissue of her debut studio album. The song was produced by The Invisible Men and Salt Wives. In December 2014, Azalea revealed the track would be the official second promotional track off the reissue, although no specific date for the single to be released digitally or serviced to radios was reported. It was then announced that the song would be impacting mainstream radio stations in the US on 24 February 2015, with an accompanying music