Translation of "Backbone" in Spanish

Syncopation is the backbone of a lot of genres of music,

La síncopa es la columna vertebral de muchos géneros de la música,

- He is an American to the backbone.
- He's American to the core.

Es norteamericano hasta la médula.

Braxton:] The 2-5-1 essentially is like the backbone of most jazz music.

El 2-5-1 es esencialmente como la columna vertebral de la mayoria del Jazz.