Smile was written by Johnny Courtidis, Paris Fotis Zoubris, Eiffely Bruno, Simone Teti. US mechanical royalties are collected by Spencer Jack (46.66%), Sony/atv Songs LLC (14.6%).
US mechanical shares as registered at The MLC · each writer’s chain: writer → publisher → administrator.
Spencer Jack · Admin
Sony/atv Music Publishing UK Limited
Sony/atv Songs LLC · Sub-publisher