Indian vocal music is an essential part of Indian culture and is used as a means of worshipping and connecting to the Supreme Being. Vocal music in India expresses deep devotion to God through the clear expression of emotional elements. Some common styles of Indian classical music include folk songs, religious songs like bhajans and kirtans, and romantic songs. Indian songs are accompanied by instruments like the drone and percussion and make use of musical elements like rhythm, known as tala. The notation of Indian songs consists of the asthai and antara sections and the text is often religious in nature.