The songs in the episode range from pop and rock to show tunes and ballads, and they cover a variety of topics, including love, loss, and the power of music. Some of the most memorable songs from the episode include "Once More, With Feeling", "I've Written a Letter to Daddy", "Rest in Peace", "The Mustard Seed", and "Going Through the Motions".
The musical episode was a critical and commercial success, and it is considered one of the best episodes of Buffy the Vampire Slayer. It has been praised for its clever writing, catchy songs, and memorable performances.