Help Me (Joni) by Joni Mitchell is played in the key of C#m at a advanced difficulty level, originally released in the 1970s. It uses 2 chords — C#m G#7 — arranged in the i-V progression.
About the i-V progression
The i-V is a two-chord minor vamp — the harmonic equivalent of walking in place. It's used to build atmosphere and give a soloist room to stretch. Common in Latin, jazz, and moody folk.
Playing in the key of C#m
C# minor is another barre-heavy key. Capo the 4th fret and use A-minor shapes as a friendlier alternative.
Related songs
More songs in the key of C#m
More songs using the i-V progression
Learn to play Help Me (Joni) by Joni Mitchell on guitar. It sits in the key of C#m and uses the i-V progression with the chords C#m G#7.