Question

World's biggest band dominating the music industry?​

Answer 1

Answer:

Nielsen SoundScan in their 2011 report noted that the "big four" controlled about 88% of the market:

Universal Music Group (USA based) — 29.85%

Sony Music Entertainment (USA based) — 29.29%

Warner Music Group (USA based) — 19.13%

EMI Group — 9.62%

Independent labels — 12.11%

Answer 2

Refer this attachment