Chord progressions

I → V → vi → IV — C → G → Am → F (in C major). Anthemic, uplifting, with a touch of melancholy when it lands on the vi chord.

vi → IV → I → V — Am → F → C → G (in C major). Emotional, vulnerable, building toward resolution.

I → vi → IV → V — C → Am → F → G (in C major). Nostalgic, classic, romantic.

ii → V → I — Dm7 → G7 → Cmaj7 (in C major). Sophisticated, swinging, emotionally satisfying.

I → V → vi → iii → IV → I → IV → V — C → G → Am → Em → F → C → F → G. Cyclical, contemplative, satisfying.

I-I-I-I-IV-IV-I-I-V-IV-I-I — In C: C-C-C-C-F-F-C-C-G-F-C-C. Bluesy, soulful, timeless.

i → VII → VI → VII — Am → G → F → G (descending). Dramatic, melancholic, Spanish flamenco.

I → ♭VII → IV — C → B♭ → F (in C Mixolydian). Rocking, bluesy, with a slight tension.

IV → I → V → vi — F → C → G → Am (in C major). Uplifting with emotional warmth.

I → IV → V — C → F → G (in C major). Universal, accessible, satisfying.

I → vi → ii → V — C → Am → Dm → G (in C major). Sophisticated, swinging, jazz-flavored.

i → III → VI → IV — Am → C → F → D (in A minor with Lydian color). Emotional, complex, modern indie.

i → ♭VI → ♭VII → i — Am → F → G → Am. Heroic, anthemic, dark and powerful.

i → VI → III → VII — Am → F → C → G. Cinematic, emotional, building.

I → IV → V → IV — C → F → G → F. Driving, energetic, rocking.

IV → iii → ii → V — F → Em → Dm → G (in C major). Smooth, sophisticated, descending.

i → VI → IV → i — Am → F → Dm → Am. Melancholic, brooding, dark folk.

i → ♭VII → ♭VI → ♭VII — Am → G → F → G. Melancholic, descending, emotional.

I → iii → IV → V — C → Em → F → G. Bright pop with emotional warmth.

i → VII (alternating) — Am → G → Am → G. Hypnotic, trance-like, simple.

I → vi → IV → V → vi — C → Am → F → G → Am. Emotional, building, modern pop.

♭II7 → I — D♭7 → C (substituting for G7 → C). Sophisticated, chromatic, jazz-flavored.

I → iv — C → Fm (borrowing from C minor). Bittersweet, emotionally complex.

Various Pachelbel-inspired variants — D-A-Bm-F#m-G-D-G-A. Classical, timeless, emotionally resonant.