Mezue ahịrịokwu na-esonụ: Arthur's follow-up single, "Safe Inside", peaked na nọmba 31 na UK chaatị dị iche iche, na nke atọ otu, "Enwere m ike ịbụ Ya", na nọmba 69. Na mbido Eprel, a mara ọkwa na ọ ga-amalite njem mbụ ya na UK na Ireland na onye otu "X Factor" Ella Henderson dị ka nkwado ya. N'ọnwa na-eso ya, Arthur so Machine Gun Kelly rụkọọ ọrụ n'abụ "Go for Broke" site na album Kelly "Bloom", nke mekwara ka ọ bụrụ abụ isiokwu maka WWE's
SummerSlam n'afọ 2017. N'otu ọnwa ahụ ekwuputara na Arthur ga-abụ otu n'ime ndị na-abụ abụ na mkpuchi nke Simon & Garfunkel's "Bridge over Troubled Water", nke e dekọrọ iji nweta ego maka ndị ọkụ Grenfell Tower metụtara. A tọhapụrụ otu ahụ na June 21 wee banye na chaatị UK na nọmba 1 ụbọchị abụọ ka e mesịrị. Na 20 June 2017, James gosipụtara na Twitter na ọ ga-abụ onye na-abụ abụ ọbịa na drum n bass act Rudimental's single "Sun Comes Up", setịpụrụ maka ntọhapụ na 30 June. Ọ rụrụ abụ ahụ na V Festival na otu ahụ n'ọnwa Ọgọstụ wee bụrụ onye ọzọ UK Top 10 otu maka ya. N'oge ọkọchị ọ gara njem na US na Canada na OneRepublic na Fitz na Tantrums na njem na-agwụ na 12 Septemba na Texas. Abalị abụọ ka e mesịrị, ọ rụrụ n'akụkụ Julia Michaels na Kelly Clarkson na Fresh 102.7's Fall Fest na The Theater na Madison Square Garden, New York. N'abalị ise n'ọnwa Ọktoba, a tọhapụrụ akwụkwọ akụkọ ndụ ya "Back to the Boy", o mekwara ọtụtụ akwụkwọ na-edebanye aha n'akwụkwọ n'ofe UK. Otu izu ka e mesịrị, a mara ọkwa na a họpụtara ya maka ihe nrite American Music Award na ngalaba 'New Artist of the Year'.