The harmonium is the only instrument most Sikhs have ever experienced Sikh Kirtan through. It came into India via Portuguese missionaries as a more portable alternative to the church organ.
An interview with Grammy winner Gurujas Kaur
Sadasat Simran Singh Khalsa is a member of Chardikala Jatha, and a Hazuri Ragi at Sri Harimandir Sahib, Amritsar. He lived in India for 15 studying Raga and Sikhism. Here are some things he has to share on the subject of raag.
In Sikhi we have ceremonies, not rituals. But a ceremony can become a ritual when no one understands the how and why of what is happening.