Danielle Haim / Bono (Picture: Getty) Danielle Haim has recalled how she texted Bono to ask him to guest on Haim‘s 2019 single ‘Summer Girl’. Song Exploder, which features Haim’s lead vocalist/guitarist, Haim bassist/vocalist Este Haim, regular Haim producer Ariel Rechtshaid and ‘Summer Girl”s co-producer and co-writer Rostam. Danielle and Rostam recalled in the episode how they approached Bono with the offer to sing on ‘Summer Girl’, with the former reaching out to the U2 frontman via text message with the invitation to collaborate vocals on the song’s closing line “ and I can see the angels coming down / Like a wave that’s crashing on the ground”.