The Stylistics | Stop, Look, Listen

Another harmonically lush track by the Philly Soul gurus The Stylistics. “Stop, Look, Listen” (1971) packs so much into a hit song of less than three minutes’ length — including a few time signature shifts, plenty of orchestral instrumentation, and an uncharacteristically simple direct modulation at 2:21.

Duncan Sheik | Barely Breathing

Duncan Sheik‘s tunes are full of quirks — harmonic and otherwise — but fewer full modulations. His best-known hit, 1996’s “Barely Breathing,” sticks to fairly straightforward territory through the first two verses and choruses. But then the bridge (2:40) presents several short but compelling key-of-the-moment segments (I major / V minor pairs) that don’t closely relate to the rest of the tune — but then, that’s often true of a good bridge. By 3:09, we’re ready to dive back into the familiarity (and relative simplicity) of the chorus as it reverts to the original key.

Kenny Loggins | This is It

This 1979 release by Kenny Loggins, with co-writing, keyboards, and back-up vocals by Michael McDonald, features the harmonic complexity for which both artists are known. The bridge starts at 2:43, shows signs of a big change on the way at 2:57, and wraps up at 3:06 as the modulation hits.

According to Loggins, the melodic and harmonic ideas for the tune were finished long before the lyrics. The songwriting team had initially focused on a crossroads moment in a troubled romantic relationship. But the topic shifted to an adult son encouraging his ailing elderly father to fight hard for his health in the face of a worsening medical condition — a slice from Loggins’ own life. An unlikely hit, for sure, but it reached #11 and won a Grammy.

Andrea Bocelli | Because We Believe

Bocelli’s “Because We Belive” has a textbook example of a “common tone” modulation: a single note is sustained through key change, thus transforming its harmonic function. And the second, at 4:20, is the rare downward modulation, moving from E to D. David Foster is at the keys (he co-wrote the song with his daughter Amy for the 2006 Turin Olympics).