Bluegrass Guitar Scales

The scales every flatpicker leans on, mapped across the whole neck. Pick a key and a scale, see the notes, hear them, and start building bluegrass solos. Available for free on any device, anytime.

Key
Scale
Root noteScale note

Tip: click any note on the neck to hear it. Frets 0 to 12 shown.

What scales do bluegrass guitarists use?

Bluegrass and flatpicking leads are built mostly on the major pentatonic scale, with the full major scale and the Mixolydian mode close behind. Players add a chromatic flat-3 passing tone (the "bluegrass" or major-blues sound) and lean on the open-friendly keys of G, C, D and A. The fretboard above maps each scale across the whole neck so you can see it, hear it, and start soloing.

The essential bluegrass scales

Major Pentatonic

1 · 2 · 3 · 5 · 6

The workhorse of bluegrass lead. Five notes that sound good over almost any major-key tune, with no wrong notes to trip over. Start here.

Major Scale

1 · 2 · 3 · 4 · 5 · 6 · 7

The full major scale fills in the 4 and 7 for smoother, more melodic runs. Most fiddle-tune melodies live right here.

Mixolydian

1 · 2 · 3 · 4 · 5 · 6 · b7

Major with a flatted 7th. The sound of modal tunes like Old Joe Clark and Salt Creek, where the flat-7 chord shows up.

Bluegrass Scale

1 · 2 · b3 · 3 · 5 · 6

Major pentatonic with an added flat-3 leading into the 3. That chromatic slide is the signature bluegrass and country lead sound. Also called the major blues scale.

Minor Pentatonic

1 · b3 · 4 · 5 · b7

For bluesier licks and minor-key tunes. Borrowed from the blues, it adds grit over the bluesy moments in a solo.

Blues Scale

1 · b3 · 4 · b5 · 5 · b7

Minor pentatonic plus the flat-5 blue note. Use it sparingly for bluesy color and chromatic passing tones.

How to use them

Think of the major pentatonic as home base. You can solo a whole tune from it without hitting a sour note. To get the bluegrass flavor, add the flat-3 chromatic passing tone sliding up into the major 3, which is exactly what the Bluegrass scale gives you. When a tune leans on the flat-7 chord (modal tunes such as Old Joe Clark), switch to Mixolydian.

The real magic is combining scales with chord tones: land on the 1, 3 or 5 of the chord you are on at the start of each measure, and connect those targets with scale and chromatic notes. That is how flatpickers outline a tune while still sounding melodic. The famous G run is just a short lick from the G major scale used to button up a phrase.

Most bluegrass lives in G, C, D and A, with a capo to reach other keys using the same familiar open shapes. Learn each scale in open position first, then move it through the CAGED positions up the neck so you can play in any spot.

Bluegrass guitar scale questions

What scale is used in bluegrass guitar?

Bluegrass lead is built mostly on the major pentatonic scale, with the full major scale and the Mixolydian mode close behind. The signature bluegrass sound comes from adding a chromatic flat-3 passing tone that slides up into the major 3.

What is the bluegrass scale?

The bluegrass scale is the major pentatonic with an added flat-3 (1, 2, b3, 3, 5, 6), also called the major blues scale. The b3 sliding into the 3 is the chromatic move that defines the bluegrass and country lead sound.

Is bluegrass guitar major or minor?

Mostly major. Bluegrass lead is built on the major pentatonic and major scales, with bluesy minor-pentatonic licks mixed in for color. The overall sound is bright and major, not minor.

What key is bluegrass guitar usually in?

G, C, D and A are by far the most common keys, because they sit well in open position. Players capo up to reach other keys (such as B or E) while still using familiar G, C, D and A shapes.

What is the difference between the bluegrass and blues scales?

The blues scale centers on the minor pentatonic plus the flat-5 blue note and sounds darker. The bluegrass scale centers on the major pentatonic plus a chromatic flat-3 and sounds bright and major. Bluegrass players borrow from both.

How do I start soloing over a bluegrass tune?

Find the key (usually G, C, D or A), play the major pentatonic in that key, and target chord tones (1, 3, 5) on the strong beats. Add the flat-3 passing tone for flavor, and let the tune's melody guide your phrasing.

Do I need to learn scales all over the neck?

Not at first. Start in open position and one box shape, then expand into the CAGED positions over time so you can play anywhere on the neck. The fretboard above shows the full-neck map for each scale.

Learn bluegrass guitar from Bryan Sutton

Scales are the map. A master makes it music. Bryan Sutton, a Grammy winner and nine-time IBMA Guitar Player of the Year, teaches his complete flatpicking approach at ArtistWorks, with hundreds of lessons, tab and backing tracks. Submit a video of your playing and get his personal feedback through Video Exchange. Try it free for 7 days.

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