Les plus grands succès écrits par Leland  

[songwriter #4 hit]
[STMPD RCRDS]
écrit par Leland (as Brett McLaughlin) , Martin Garrix (as Martijn Garritsen), Ben Burgess, Cook Classics (as William Lobban Bean), Troye Sivan (as Troye Sivan Mellet) & Jessie Thomas

[songwriter #2 hit]
featuring Gucci Mane
[Interscope]
écrit par Chloe Angelides, Leland (as Brett McLaughlin) , Gino Barletta, Jonas Jeberg, Selena Gomez, Joe Khajadourian, Alex Schwartz & Gucci Mane

[Capitol]
écrit par Troye Sivan (as Troye Sivan Mellet), Leland (as Brett McLaughlin) , Oscar Görres & James Alan Ghaleb

[songwriter #5 hit]
featuring Ariana Grande
écrit par Troye Sivan, Oscar Holter, Leland (as Brett McLaughlin)  & Noonie Bao

[songwriter #3 hit]
[Interscope]
écrit par Selena Gomez, Madison Love, Leland (as Brett McLaughlin) , Sir Nolan (as Nolan Lambroza) & Simon Rosen

[songwriter #1 hit]
[Atlantic LP Cut]
écrit par Ava Max (as Amanda Ava Koci), Leland (as Brett McLaughlin) , Desmond Child, Cirkut (as Henry Walter), Hillary Bernstein, Jakke Erixson, Madison Love, Mimoza Blinsson & RedOne (as Nadir Khayat)