He studied in Italy with Luigi Nono and Goffredo Petrassi.

Entity and relation annotations:
id: 0
type: entity
value: text: Luigi Nono
labels: <Person>
id: 1
type: entity
value: text: Goffredo Petrassi
labels: <Person>
id: 2
type: entity
value: text: Italy
labels: <Location>
type: relation
to_id: 2
labels: Person:works_at:Location
from_id: 0
type: relation
to_id: 2
labels: Person:works_at:Location
from_id: 1