Nashville tuning is a common tuning for steel guitars. It also refers to the practice of replacing the EADG strings of a standarly tuned guitar with those an octave higher (from a 12-string set).

The guages for Nashville tuning are (high to low) .010, .014, .009, .012, .018, .027.

Thicker guages could be (high to low) .012, .016, .010, .014, .020, .030.