who is the artist of isolar – 1976 tour and also performed the best of david bowie 1980/1987 atleast once ?
SELECT DISTINCT var_uri where brack_open dbr_Isolar_–_1976_Tour dbp_artist var_uri sep_dot dbr_The_Best_of_David_Bowie_1980/1987 dbo_artist var_uri brack_close