There are notable songs titled "How Deep Is Your Love" in different genres:

1. The Bee Gees' "How Deep Is Your Love" (1977) is primarily a soft rock ballad with strong influences of disco. It blends disco and soft rock elements, making it a classic and mature sound bridging both styles.

2. The Calvin Harris and Disciples' "How Deep Is Your Love" (2015) is a deep house track characterized by a tempo of 122 beats per minute, bassy plucks, and piano chords, influenced by 90s Euro house and the deep house genre.

So, depending on the specific "How Deep Is Your Love" song referenced, it belongs either to soft rock/disco (Bee Gees) or deep house (Calvin Harris and Disciples). Both are popular but distinct genres.