With reference to Khyal, one of the major traditions of India that has been kept alive for centuries, consider the following stateements

1. The origin of this style was attributed to Amir Khusrau.

2. Khyal is based on the repertoire of short songs ranging from two to eight lines.

3. Generally, a Khyal composition is also referred to as a ‘Bandish’.

How many of the statements given above are correct?