Works Bull was one of the most famous composers of keyboard music of the early 17th century , exceeded only by PERSON@1 in the LOCATION@1 , LOCATION@2 in LOCATION@3 , and , some would say , by his countryman and elder , the celebrated PERSON@2 .

Together with PERSON@1 and PERSON@2 he was one of the great composers of keyboard music in the early 17th century .
