Mucho Muchacho, also called Mucho Mu, is the pseudonym of Oliver Gallego Sarmiento, MC of Barcelona born in 1976, member of the group 7 Notas 7 Colores and that founded on 2003 the musical seal C.R.E.A.M., under which it published his only LP in solitaire like MC, Chulería.
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Bano · El hombre que cambiaba ptas x flores (1998)
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In 2000 7 Notas 7 Colores release a new album titled 77, with good sales, being the first hip hop group to enter the AFYVE lists.
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Nevertheless, in 2007 Mucho Muchacho announced the return of 7 Notas 7 Colores, with a renewed formation.
Its members were from different towns and neighborhoods around the city: Mucho Muchacho from El Prat, Dive Dibosso from San Andrés/Sant Andreu and later member Eddy la Sombra from Sabadell.