Album releases function as symbolic predictors of broader career success. [causal]
Just as the theatrical release of a Hollywood film is merely the first stage in a long advertising campaign and functions as a predictor for its success in lengthier, more lucrative release windows and its eventual value in the catalog, the recorded music business holds symbolic significance for how a musician will fare in the larger ecosystem of live performance, licensing opportunities, and radio play.
Andrew deWaard, Derivative Media, loc. 202