Source 1: https://www.youtube.com/watch?v=ViwtNLUqkMY&feature=emb_title
Source 2: https://youtu.be/hm2YjDENPPU?t=9
Source 3: https://youtu.be/VBmMU_iwe6U?t=19
Source 4: https://youtu.be/bz6bF8HikIM?t=46
Source 5: https://youtu.be/qZaLAAcehX4?t=126
Source 6: https://youtu.be/vXmqauitBkM?t=38
Source 7: https://www.whosampled.com/Beyonc%C3%A9/Run-the-World-(Girls)/
Source 8: https://www.whosampled.com/Beyonc%C3%A9/Crazy-in-Love/
Source 1: https://youtu.be/uzaYLK3k0DQ?t=33 Source 2: https://www.youtube.com/watch?v=R1kOdTm9FBk Source 3: https://www.elitedaily.com/p/these-20-hit-songs-that-were-written-by-other-artists-will-seri
Source 1: https://youtu.be/4IXOM4Q2Apc?t=6 Source 2: https://youtu.be/4IXOM4Q2Apc?t=8 Source 3: https://ramseyvoice.com/wp-content/uploads/2018/03/vibrato.jpg Source 4: https://youtu.be/j6TmogXhOZ8?t=
Source 1: https://upload.wikimedia.org/wikipedia/en/thumb/f/f2/Logo_of_ABKCO_Records.jpg/220px-Logo_of_ABKCO_Records.jpg Source 2: https://youtu.be/ScB2J0gt9LE?t=45 Source 3: https://youtu.be/0xBGSlnT