Songwriters have played a crucial part in the success of many global superstars throughout the history of popular music.
Even internationally-acclaimed singer Adele, whose new album, 25, comes out today, and whose last – 21 – sold more than 30 million copies, co-writes her material.
Not that record labels like to crow about songwriters – most of these hired guns are virtually unknown outside the industry.
But are these powers behind the throne seeing their livelihoods threatened by music videos and digital streaming?
Many fear so.
But the switch to buying and listening to music in digital rather than physical form has dented revenues, and not just because of piracy – file-sharing that infringes copyright.
Can songwriters survive in the age of music streaming? – BBC News