In 2010 and 2011, awards were given to film score and both were won by Malayalam films: Pazhassi Raja (2010; Score: Ilaiyaraaja) and Adaminte Makan Abu (2011; Score: Issak Thomas Kottakapally). Ravindran also received a Special Jury Award in 1992 for composing songs for the film Bharatham. The lyricists who have won the National Award are Vayalar Ramavarma (1973), O. N. V. Kurup (1989) and Yusuf Ali Kechery (2001). The male singers who have received the National Award are K. J. Yesudas (1972, 1973, 1987, 1991, 1993, 2017), P. Jayachandran (1986) and M. G. Sreekumar (1991, 2000). Yesudas has won two more National Awards for singing in Hindi (1977) and Telugu (1983) films, which makes him the person who has won the most National Film Awards for Best Male Playback Singer with seven awards. The female singers who have won the award are S. Janaki (1981) and K. S. Chithra (1987, 1989). Chitra had also won the award for Tamil (1986, 1997, 2005) and Hindi (1998) film songs, which makes her the person with the most National Film Awards for Best Female Playback Singer with six awards. Mappila Pattu The Malabar region of the state, with a large Muslim population had developed a signature music stream based on the Hindustani style. The stream consists of a variety of forms like gazals and mappila pattu, and also music for authentic Muslim dance forms such as oppana and kol kali. The poetry forms a main part of this stream of music, which is primarily in Malayalam with the use of Arabic words in between which is known as arabimalayalam. Mappila songs have a charm of their own as their tunes sound a mix of the ethos and culture of Kerala as well as West Asia. They deal with diverse themes such as religion, love, satire and heroism. Knanaya Folk Songs The Knanaya, an ethnic group found among the St. Thomas Christians, maintain folk songs that are ancient in origins and were first written down in the year 1910 by the Knanaya scholar P.U Luke in his text Puratana Pattukal or Ancient Songs. The origins of the songs themselves are unknown but were collected by Luke from Knanaya families who kept palm leaf relics which contained the text of these songs. The songs were written in Old Malayalam but contain diction from Sanskrit, Syriac, and Tamil indicating their antiquity. Analytically, these ancient songs