Elbosco was the name of a joint Spanish musical group that achieved world success with the song Nirvana in 1995. The group consisted of the boys choral group of the Escolanía del Real Monasterio of San Lorenzo, with boys between 9 and 14 years old along with adult instrumentalists and soloists. In 1995, the group released the disk Angelis, with the hit song Nirvana which was used by Danny Boyle in the film Millions. The music, a mixture of Gregorian chants with hip-hop and techno