Component charts have become an increasingly important way to measure the commercial success of individual songs.

Even individual songs may be a blend of the two.

And it showed there was a powerful demand for individual songs.

The Party mode allows players to simply pick an individual song and perform it.

"There is not a business in selling individual songs, cheap," he said.

This system allows many more available charts for individual songs than in the past.

The individual songs and album as a whole are themed around this.

Later he called it "the best individual song written for a musical".

Two players (or one player against the computer) play three individual songs of the same difficulty.

However, to what degree an individual song has value varies widely, and is up for interpretation.