Sangeetha Sivakumar is among the popular musicians in the field of Carnatic music. She has a mellifluous, resonant voice and her command over the technical aspects of Carnatic music is highly appreciated by musicians, critics and rasikas alike. She is an upholder of the G.N.Balasubramaniam bani. Her music is known for its crispness, clarity of thought and presentation. She has the great capacity of being extremely creative within the bounds of tradition and classicism.
She started learning music at the age of 9, from Sri K.P.Vasu of Calicut and later became the disciple of famous vocalist, Smt.Charumathi Ramachandran. She has been regularly performing in various sabhas all over India. She has toured Australia, United States, Canada and Singapore for concert performances. She has won many awards from various institutions. She is also known for her passion in working with the youth, initiating them into the artform. She is a much sought after teacher and has many students in India and abroad. At present, she is also working on an ongoing project along with her husband Sri T.M.Krishna, in the name of 'Kalaachaara Marumalarchi' - a trust formed by them to revive the classical art forms in the temples of Tamilnadu. The aim of this venture is to conduct classical music, dance and other cultural programs as a regular event in the annual temple festivals in the smaller towns and villages of Tamilnadu. This ambitious project has been a huge success and has met with tremendous response so far.