mySongBook

Trigger: !mysongbook

Try it

Kagi would openhttps://www.mysongbook.com/search?utf8=%E2%9C%93&search[type_item]=4&search[name]=the+downward+spiral

Run !mysongbook in Kagi

URL pattern: https://www.mysongbook.com/search?utf8=%E2%9C%93&search[type_item]=4&search[name]=query

Searches www.mysongbook.com, filed under Music (Lyrics).