Harmonic Intervals 

1) Glen Handsard and Marketa Irglova, "Falling Slowly", mm. 9–11, from the film Once [Image file | Youtube 0:27–0:39] [MuseScore]

2) Olivia Rodrigo, Joshua Bassett, "I Think I Kinda, You Know", chorus, from the High School Musical [Image file | Youtube 0:39–0:54] [MuseScore]

3) Regina Spektor, “New Year,” from Remember Us to Life (2016), chorus. [ Image | MuseScore | PDF | YouTube: 1:04–1:31 ] Note: See mm. 3–5. 

1) Glen Hansard and Marketa Irglova, “Falling Slowly,” mm. 18–25, from the film Once [Image file | MuseScore: mm. 9–25 | Youtube 0:59–1:27]

2) Lady Gaga & Bradley Cooper, “Shallow,” chorus, from the film A Star is Born [image file | MuseScore | Youtube 2:05–2:25]