This collaborative double album produced by pianist and singer Fito Páez and Luis Alberto Spinetta represents an epic meeting of the minds between two titans of Argentinean art rock: one an established master (Spinetta), the other a young, rising torchbearer (Páez). Whether the pair are exploring sublime, strings-laced prog-pop (“Hay otra canción”) or slinky, featherweight jazz (“Instant-táneas”), La La La is as raw and alive as it is baroque and brainy, a complex masterpiece and an indelible document of their warm, intellectual friendship.