Since finishing a lengthy 2022 tour, singer-songwriter Declan McKenna has been working with producer Gianluca Buccellati in L.A. and in his hometown of Brighton, UK, on the follow-up to his latest album, Zeros. In anticipation of the summer tour that brings him to the Agora Theatre tonight at 7, McKenna recently released the somber pop tune “My House,” which features vocals from Rostam and was co-produced by McKenna and Neil Comber (whose credits include MIA, Charlie XCX, and Florence + The Machine),