Who produced the song "Pose" and "Antidote"?
Pose (Rihanna song):  She wrote the song in collaboration with Bibi Bourelly, Hit-Boy and Travis Scott, and it was produced by the latter two. Travis Scott:  Scott's debut studio album "Rodeo", was released in September 2015 and was led by the hit single "Antidote", which reached the top 20 of the US "Billboard" Hot 100 chart.
Travis Scott