From a dictionary: "dul·cet| ˈdəlsət | adjective(especially of sound) sweet and soothing (often used ironically): record the dulcet tones of your family and friends."enjoy the dulcet tones of KC and the Sunshine band.
I can only assume you used the term ironically.
Sorry Mark, I am firmly in the Disco Sucks camp. Back in the late 1970s, pop music was divided, and I sided with rock/folk rock, while many others chose the very popular disco beat. Punk came along and cleared the debris that disco created, and pop music moved on. Anyway, that's my take on things.