Do Re MiC D E

Firework

Perry(Eriksen-Hermansen-Wilhem-Dean) Katy4/4pop♩= 122

Chord Diagrams — Firework in G (Guitar)

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Firework in G

Key of G

G major is the singer-songwriter's key. The open G, B, and D strings spell out the full G major triad with zero fretting. Add the open high E for a Gadd6 shimmer. Nearly every diatonic chord (Em, Am, C, D) has a comfortable open voicing. G is a beginner-level key on guitar because the open G, B, and D strings form a complete G major triad without fretting a single note, and the open low E adds a rich 6th color. Beginners will find this key approachable since most chords use open voicings with minimal stretching.

Voice Leading

The bass line moves through G to F (descending whole step), F to E (descending half step), E to C (descending major third), C to A (descending minor third), A to D (ascending perfect fourth). A half-step bass movement creates a strong leading-tone pull that demands resolution. The root motion by larger intervals (fourths and fifths) gives each chord change a strong, decisive character. When the progression loops, the bass returns from D to G by perfect fourth.

Scales for Improvisation

G major pentatonic works because every note is either a chord tone or a safe passing tone — there are no avoid notes. For soloing, this means you can play freely without clashing. Try the major blues scale — adding the flat 3rd as a passing chromatic note gives bends and slides an expressive, soulful quality.

pop4/4 · 84 bars · Form: ABABCB

Chords: G, F, Em, Cadd9, Am, D/G.

Scales for Improvisation G bebop, G bebop major.

Diatonic chords: See all chords in the key of G