Sampler album
TYPE OF COMPILATION ALBUM
Promotional sampler for the album; Promotional sampler album; Sampler CD; CD sampler; CD Sampler; CD Sampler (Promo); Sampler (record)
A sampler or promotional compilation is a type of compilation album generally offered at a reduced price to showcase an artist or a selection of artists signed to a particular record label. The format became popular in the late 1960s as record labels sought to promote artists whose works were primarily available in album rather than single format, and therefore had little opportunity to gain exposure through singles-dominated radio airplay.