Distribution : In the music industry once you created a song you need to upload it to a sight called distrokid, once you have review the song and you have to create the logo and then say who featured in it. if the distrokkid doesn’t like it he will decline it.
Licencing: Every shop needs a licence to play music, the licence is a set amount of money each year, it pays the musicians for doing the music and the radio pays royalties every time the songs play of a certain aristit.
Invoice/contrast: Back in the day people use get paid cash in hands for doing gigs, its still used today but very rarely, musicians are now payed through invoices. An invoices is were you write it and send it to the person your charging. Contacts are kind of the same but designed by old people involved and shows the terms and services and how much each person is getting payed.