High Quality Content by WIKIPEDIA articles! Sahaana is a popular r gam (musical scale) in Carnatic music. It is a janya r gam (derived scale) associated with the 28th Melakarta r gam Harikambhoji. It is not related to Shahana.It is a Ubhaya Vakra sampoorna ragam. Vakra, means crooked. Ubhaya Vakra means that the notes in both ascent and descent follow a zig zag pattern. The notes in ascending and descending scale do not follow a strict progression, but are zig-zag. Hence the note phrases contain such vakra phrases, lending a unique beauty to this r gam. Though it is a sampoorna r gam (contains all 7 notes), the vakra scale means it is not considered a melakarta, as melakarta r gams must have strictly ascending and descending scales. It is also classifed as a rakti raga (ie raga with high melodic content).