The debut solo album from María Zardoya of the Marias presents some logistical challenges: Her main band is already basically named after her; the Marías just finished a tour and are highly touted for the forthcoming 2026 Grammy Awards, which makes it an odd time to drop a solo album; and her voice is so unmistakable that it could be tricky to tell where one entity begins and the other ends. But none of the above is a major problem for “Melt,” the debut album by Zardoya’s solo project, Not for