At Seventeen

At 139 BPM, At Seventeen by Whistler sits in C Major (Camelot –). This tempo and key combination is common in dance and uptempo music. Below are the chords, scale notes, and harmonically compatible keys for mixing or producing in this groove.

Scale & Notes of C Major

The C Major scale is built from these seven notes:

CDEFGAB

Its relative key is A Minor (same notes), and its parallel key is C Minor. If you're transposing or looking for a vocal-comfortable key, those are the natural neighbours.

Chords in C Major

The seven diatonic triads in this key — the chord palette most of the song will draw from:

Indian Classical: the Bilawal thaat

In Hindustani classical terms, C Major maps to the Bilawal thaat (Western mode: Ionian (Major)). Equivalent to the Western major scale. Bright, resolute, joyful character. Traditional listening time: Morning to Afternoon.

If you want to sing or practise in this key, set your tonic (Sa) to C. Ragas built on this thaat:

• Alhaiya Bilawal — Major scale with an occasional ♭7 passing note. Serene, devotional (Morning).
• Shankara — Pentatonic major (omits 4th & 7th). Heroic, powerful (Night).
• Bihag — Major scale with both ♮4 and ♯4 (Lydian touch). Romantic, intimate (Late Night).
• Durga — Major pentatonic (Sa Re Ga Pa Dha). Uplifting, celebratory (Evening).
• Vrindavani Sarang — Major with omitted 3rd — skeletal, pentatonic feel. Longing, pastoral (Afternoon).

Set Tanpura to C →Practise in this key →Find another song's key →

Harmonic mixing (for DJs)

At Seventeen sits at Camelot –. For a smooth harmonic transition, mix it with tracks in 7B, 8A, 9B — adjacent keys on the Camelot wheel that share most of their notes.