CHORD LIBRARY

Play along A 300, chord by chord.

Chords of: A 300 by: JC Reyes, Pedro Calderon. (B7/D#, F#m, F#m6, D6) are the main chords of the song. The chords are displayed instantly in real-time with a YouTube player, four synced views, instrument diagrams, loop practice and a built-in vocal-remover mixer.

About the chords of “A 300”

“A 300” by JC Reyes, Pedro Calderon is in D Major and runs at about 138 BPM, giving it an upbeat, driving pulse. Our analysis found 19 different chords across 67 chord changes; the ones that carry the song are B7/D#, F#m, F#m6, D6.

B7/D# is the chord you will hold longest — roughly 39% of the 2:46 the chords were tracked for. The song opens with D → B7/D# → B7 → F#m → B/F# → B7/D# → B/F# → F#m. Play the timeline above to hear each change land in real time.

Difficulty: advanced — 7 main chords with 8 extended, altered or slash voicings. Guitarists can play it as written — D Major sits in open-chord territory, no capo needed.

Chord frequency

ChordTime heldShare
B7/D#1:0539%
F#m0:3219%
F#m60:127%
B/F#0:106%
Dmaj70:106%
D0:085%
D60:074%
F#m70:064%

Chord progression, in order

D – C#m – D6 – Abm7b5 – B7/D# – D – B7 – Abm7b5 – D – Amaj7 – B7 – F#m7 – B/F# – F#m – B/F# – F#m7 – B/F# – F#m – B7/D# – F#m – B7/D# – F#maj7 – B/F# – F#m – B/F# – F#m – D/F# – Abm7 – F#m – D – B7/D# – A – B7/D# – F#m – Dmaj7 – B7/D# – A – F#m – Dmaj7 – B/F# – Amaj7 – F#m – Dmaj7 – B – F#m – Dmaj7 – B/F# – Abm7 – …