For 10 points, name this north Indian religion, which blends Hindu and Muslim traditions.
This religion's marriage ceremony includes the engagement ritual Kurmai, which involves the singing of wedding hymns, or laavas. Practitioners of it demonstrate kesh and wear an iron bracelet called a kara. The sacred song (*) "Japji Sahib" follows the Mul (mool) Mantra in its sacred text, which was compiled by this religion's fifth leader, Arjun Dev Ji. That book, the Adi Granth, contains many sayings of this religion's founder Guru Nanak. For 10 points, name this north Indian religion, which blends Hindu and Muslim traditions.
This religion's marriage ceremony includes the engagement ritual Kurmai, which involves the singing of wedding hymns, or laavas.
Sikhism