The tabla is a famous Indian percussion instrument used in classical, devotional, and popular music. It is especially important in Hindustani classical music (North Indian tradition) and is known for its rich sound, rhythm complexity, and expressive playing style. 

The harmonium is a free-reed keyboard musical instrument that produces sound by forcing air through metal reeds with the help of bellows. It is widely used in Indian classical music, devotional music, folk traditions, and also in Western and church music. 

Carnatic music is one of the two main traditions of Indian classical music, the other being Hindustani music. It developed in South India and is known for its rich devotional content, structured compositions, and emphasis on vocal performance. Today, it is practiced mainly in the southern states of Tamil Nadu, Karnataka, Andhra Pradesh, and Kerala. 

Bharatanatyam is one of the oldest and most popular classical dance forms of India. It originated in the southern state of Tamil Nadu and is known for its graceful movements, expressive gestures, and strong spiritual and cultural roots. Today, Bharatanatyam is performed across India and around the world. 

Kathak is one of the major classical dance forms of India. It originated in North India and is known for its graceful movements, fast footwork, and expressive storytelling. The word Kathak comes from the Sanskrit word katha, which means “story.” Thus, Kathak is traditionally a storytelling dance.