How to Tune to 77377 (CGDFCG)
Labelled '77377' after its fret intervals, CGDFCG mixes stacked fifths with a suspended fourth for a bold, open drone that ranges from a low C to a high G. It gives dramatic, wide-interval voicings suited to modern, percussive fingerstyle and cinematic writing.
| String | Note | Frequency |
|---|---|---|
| String 6 | C2 | 65.41 Hz |
| String 5 | G2 | 98.00 Hz |
| String 4 | D3 | 146.83 Hz |
| String 3 | F3 | 174.61 Hz |
| String 2 | C4 | 261.63 Hz |
| String 1 | G4 | 392.00 Hz |
String Tension & Setup Tips
Recommended Gauge:The low E drops to C and the A to G, needing heavier bottom strings, while the high E rises to G and wants a lighter top string. Tune up carefully to avoid breaking the raised strings.
Frequently Asked Questions
How do I tune to 77377 (CGDFCG)?
From standard tuning (EADGBE), retune each string low to high: 6th E→C, 5th A→G, 4th D (unchanged), 3rd G→F, 2nd B→C, 1st E→G. Match each string to its exact Hz using the interactive tuner above.
What does the 77377 tuning sound like?
Its stacked fifths plus a suspended fourth create a wide, dramatic drone spanning a low C to a high G, giving bold open voicings for modern fingerstyle.