who is the artist of this is my time and also performed this is my time atleast once ?
SELECT DISTINCT var_uri where brack_open dbr_This_Is_My_Time_ attr_open Raven-Symoné_album attr_close dbp_artist var_uri sep_dot dbr_This_Is_My_Time_ attr_open Raven-Symoné_album attr_close dbo_artist var_uri brack_close