"Te Lo Agradezco, Pero No" (English: "Thank you, but no") is a song recorded by Spanish singer Alejandro Sanz and Colombian singer Shakira, for Sanz's eighth studio album "El Tren de los Momentos" (2006). It was released as the second single from the record in December 2006 by Warner Music Latina. The track was written by Sanz, while production was handled by him along with Lulo Pérez. "Te Lo Agradezco, Pero No" is the second duet recorded by the two singers, following "La Tortura" for Shakira's album "Fijación Oral Vol. 1" (2005). The song came about after she approached Sanz, telling him that she wanted to collaborate on something different from her own material.