Luan Domingos Rafael Santana is a Brazilian singer and composer of sertanejo universitário music. Currently Santana has one of the most expensive concert fees in the country, charging about R$300,000 per performance. His first live album was a bestseller throughout 2010, selling over 500,000 copies. It remains among the best-selling albums in Brazil. His second album was recorded live in December 2010 at the HSBC Arena in Rio de Janeiro and was released in 2011. The first single, "Adrenalina", a song that hit the top spot on the Billboard charts. The second single from this album Química Do Amor features Bahian singer Ivete Sangalo.