Ricardo Arjona won’t disappoint fans of his intense pop ballads on the eclectic Circo Soledad. Cinematic strings add drama to “Vivir,” the vocal harmonies sparkle on the stripped-down “Dime Tu,” and the swaying groove of “Sixto Perez” hits both the hips and the heart. Even at his roughest, the Guatemalan crooner can’t help being irresistibly smooth, whether he’s shaking up the sweet love song “Ella” with raw blues-rock riffs or indulging his love for raucous Tejano rhythms on the roadhouse-ready anthem “Porque Puedo.”