=== Biographical notes === '''Isidoro Ramírez Sánchez''' was born and raised in El Bajio, a small village of Mazatlán Municipality, close to the road that goes from Villa Union to Siqueros, after the El Roble village. His father started to teach him playing the tenor horn (which is generally called 'Charcheta' or 'Armonia' by the band's musicians) when he was six. When he was sixteen years old, he replaced the tenor horn with the trombone and started playing publicly. [artist:9e6a7983-1f0c-42c1-90b4-2ac322c4fbe8|Ramón López Alvarado] sometimes asked him to play with [artist:4985a6e2-9b96-4242-9da9-58f6c5635bed|Banda Los Escamillas] and hired him for a tour with [artist:783116fb-0aa5-482b-98da-2d44c7e68255|Banda La Costeña]. In 1963, [artist:76ae2b58-8895-4775-96b1-74e38cb636d8|Don Cruz Lizá­rraga Lizá­rraga] invited him to work as a member of [artist:1e7b781d-2616-4d8a-b194-99ace90659e2|Banda el Recodo] where he played the trombone for 27 years. In 1990, he went as a supporting artist for the new project that Don Cruz Lizá­rraga as [artist:9d63e93e-70fe-44e9-a198-f58cf806ad3c|Banda Los Recoditos]. In 1993, he launched his own orchestra [artist:bb8ac50a-4fbd-4215-91e1-6e71cd8dcffe|Banda Chilolos] that reached both national and international notoriety and toured in the US. Collaborating with the orchestra went a key episode of the career of many artists, whose best known are [artist:e7649a1f-4780-4134-b98b-cd5db81f994d|Oswaldo Silvas Carreón] who became the senior lead singer in [artist:e7649a1f-4780-4134-b98b-cd5db81f994d|Banda Sinaloense MS de Sergio Lizárraga] and [artist:38a11e4c-0d64-409f-b56e-6d70cea326d2|Jesús Geovanni Mondragón Vidríales] who became the lead singer of Banda el Recodo and handled the position for the longest duration. After 2015, Isidoro Ramírez Sánchez mostly dedicated himself to training young musicians to better cope with family constraints and obligations.