- What separates it from Motown?
- Texture and forces. Motown is dense and brisk, driven by tambourine and bass. Philly soul is soft and lavish, led by a string section and harp, slightly slower with longer intros. Motown behaves like a single; Philly soul behaves like a small orchestral piece.
- What is its relationship to disco?
- The sustained sixteenth-note hi-hat, full bass and string beds of Philly soul form the direct arrangement basis of early disco. It is usefully understood as the shape disco had before the tempo rose and the four-on-the-floor kick was established.
- How do I bring out the Philadelphia character?
- Name the strings explicitly: "string section throughout, harp glissandi, vibraphone accents, sustained sixteenth-note hi-hat, strings establishing the intro." Without that layer the result falls back to generic 1970s soul.