Jon "MAGS" Maguire is a Welsh songwriter and record producer. ^[1] He has appeared on over twenty UK top 40 records, ^[2] including four number one albums. ^{[3] [4] [5]} He is best known for writing " You Are The Reason" with Calum Scott, ^{[6] [7] [8] [9]} " Brother" with Kodaline and " Whistle" with Jax Jones. ^[1] Jon has written and produced for artists including Sam Feldt, ^[10] Kodaline, ^{[11] [12]} Scouting For Girls, ^[13] Calum Scott, You Me At Six, Tiesto, ^[14] Leona Lewis, Rita Ora, ^[15] Jax Jones, ^[16] Tom Chaplin, ^[17] The Vamps, ^{[18] [19]} Lost Frequencies and Armin van Buuren. ^{[20] [21]}

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