Letting go samples a song by an artist that holds which nationality ?
Letting Go (Dutty Love):  The song samples Rihanna's "Te Amo" which was also produced by the same production team, Stargate. Te Amo (Rihanna song): "Te Amo" (English: "I Love You") is a song by Barbadian recording artist Rihanna from her fourth studio album, "Rated R" (2009).
Barbadian