Streaming Masters - Nicki Minaj - ChartMasters
Demi Lovato's albums and songs sales - ChartMasters
MEGHAN TRAINOR songs and albums
Final Numbers: K. Michelle, Meghan Trainor, & Kesha Respectively Sold - That Grape Juice
Ariana Grande albums and songs sales as of 2021 - ChartMasters
In-depth Sales Study of various major acts, Page 17
Taylor Swift albums and songs sales as of 2023 - ChartMasters
Streaming Masters – Meghan Trainor - ChartMasters
Katy Perry's albums and songs sales - ChartMasters