(a) Inspirational songs:

1. Many inspirational songs were written during the period of freedom movement. 

2. Many unpublished inspirational songs were memorised by freedom fighters. 

3. We get information about the prevalent conditions during pre-independence period. 

4. We come to know about our heritage, work of great men, injustice done by the Britishers. 

5. They gave inspiration to the society and infused spirit in the freedom movement. 

6. As they convey information about the place, person and his deed they are useful in writing history.

(b) Powadas: 

(1) Powadas were a dramatic narration by alternatingly reciting poetry and prose extract. It is a source to get information about a historical work of a person or an event. 

(2) Powadas were composed on the freedom struggle of 1857 and valour of revolutionaries during the British rule. 

(3) Powadas were composed on work of Satyashodhak Samaj to awaken the oppressed classes. 

(4) During the Samyukta Maharashtra movement, Powadas were composed to inspire people. They used to create motivation, spirit among the people and infused enthusiasm and vitality.