name the common musical band of the prayer and believe ?
SELECT DISTINCT var_uri where brack_open dbr_The_Prayer_ attr_open Celine_Dion_and_Andrea_Bocelli_song attr_close dbo_musicalBand var_uri sep_dot dbr_Believe_ attr_open Josh_Groban_song attr_close dbo_musicalBand var_uri brack_close