=== Biographical notes === '''El Combo de los Hermanos Sánchez''' is a mythical orchestra from [area:b14e5142-fbe2-4744-aa9a-6863a2c817df|Concordia], [area:8e77f8c7-bb56-4efe-8c96-5e544e35ea9c|Concordia Municipality], [area:5349d9a3-167d-4ad5-b53f-8686b74ed564|Sinaloa], Mexico. It is one of the oldest still existing Banda Sinaloense orchestra. The grandfather of director Loreto Sanchez Salazar, already had an orchestra before the Mexican Revolution. Due to its long career, its detailed history isn't strongly documented. The orchestra which was a training institution and the first employer for several musicians whose reached international recognition while working with other orchestras or artists, is known both under its popular names, several official names, and occasional rebranding by disc labels.