Major record label meaning - The music industry (or music business) sells compositions, recordings and performances of music. Among the many individuals and organizations that operate within the industry are the musicians who compose and perform the music; the companies and professionals who create and sell recorded music

Independent record label - An independent record label (or indie record label) is a record label operating without the funding of or outside the organizations of the major record labels. Indie record labels are where a great number of bands and musical acts get a start, and where many find their success.

Niche audience - Relatively small audience with specialized interests, tastes, and backgrounds. Many important forms of social creativity are of direct interest only to niche audiences.

Mainstream audience meaning - Mainstream is, generally, the common current of thought of the majority. However, the mainstream is far from cohesive; rather the concept is often considered a cultural construct. It is a term most often applied in the arts

Active audience - audience members who already are interested in an organization, issue, or cause. Instead of waiting to receive information on it, they seek it out from many sources and when doing so, they speak as well as listen.

Audiophile - A hi-fi enthusiast