At times hokey, vague couplets like “We’re the fire, from the sun/we’re the light, when the day is done” are the norm for this husband-and-wife songwriting duo, but Johnnyswim’s able musicianship on their debut record, Diamonds, made that an easier pill. Amanda Sudano Ramirez, daughter of disco diva Donna Summers, leads most of the catchy, heartfelt pop material with a delicate, affecting voice. It’s pitch-perfect, but not so polished as to sound inorganic. Abner Ramirez, who studied at Douglas Anderson School of the Arts, supports the melodies with an equally able, dynamic voice and acoustic guitar. No earth-shaking going on here, but that’s OK. 7:30 p.m. July 25 at Ponte Vedra Concert Hall, $22.