Wikipedia
Sorath is an India musical raga ( musical mode) that appears in the Sikh tradition from northern India and is part of the Sikh holy scripture called Sri Guru Granth Sahib (SGGS.) Every raga has a strict set of rules which govern the number of notes that can be used; which notes can be used; and their interplay that has to be adhered to for the composition of a tune. In the Guru Granth Sahib, the Sikh holy Granth (book) there are a total of 31 raga compositions and this raga is the ninth raga to appear in the series. The composition in this raga appear on a total of 65 pages from page numbers 595 to 660.
Raga Sorath appears in the Ragmala as a ragini of Raga Megha; today it belongs to the Khamaj thaat. Besides Guru Nanak, Sorath was used by Guru Amar Das, Guru Ram Das, Guru Arjan and Guru Tegh Bahadar for a total of 150 hymns plus numerous slokas. Sorath belongs to the cold season and is performed in the first quarter of night. The mood is light and cheerful, with a pleasing sound resembling Raga Desh. The texts composed to this raga show how the words of the Guru can enlighten the mind. All fears vanish and one is filled with bliss.
The following represents the order of notes that can be used on the ascending and descending phase of the composition and the primary and secondary notes:
- Aroh: Sa Re Ma Pa Ni Sa
- Avroh: Sa Re Ni Dha, Ma Pa Dha Ma Ga Re Ni Sa
- Vadi: Re
- Samvadi: Dha
The melodies are characterized by sweeping phrases with glides connecting all leaps, even the shorter ones. Movement is moderately fast.