Database: music_1
Question: Find the name and country of origin for all artists who have release at least one song of resolution above 900.
SQL:
SELECT T1.artist_name ,  T1.country FROM artist AS T1 JOIN song AS T2 ON T1.artist_name  =  T2.artist_name WHERE T2.resolution  >  900 GROUP BY T2.artist_name HAVING count(*)  >=  1