Hindu texts Vedas: the Rigveda, the Yajurveda, the Samaveda and the Atharvaveda. Each Veda has been subclassified into four major text types – the Samhitas (mantras and benedictions), the Aranyakas (text on rituals, ceremonies, sacrifices and symbolic-sacrifices), the Brahmanas (commentaries on rituals, ceremonies and sacrifices), and the Upanishads (text discussing meditation, philosophy and spiritual knowledge). The Upanishads are a collection of Hindu texts which contain some of the central philosophical concepts of Hinduism. The Upanishads are commonly referred to as "Vedānta", variously interpreted to mean either the "last chapters, parts of the Veda" or "the object, the highest purpose of the Veda".
Shiksha musical performance. Individual sounds in the Sanskrit have independent personalities, and the reciter helps develop their character and their timbre, state Wilke and Moebus. Naradiya Siksa, a phonetics treatise on the Sama Veda explains this aspects of phonology with various similes, such as, Pratisakhyas are the oldest "Siksa" textbooks of each branch of the Vedas. Later Siksa texts are more specialized and systematic, and often titled with suffix "Siksa", such as the Naradiya-Siksa, Vyasa-Siksa, Pari-Siksa and Sarvasammata-Siksa. The Pratishakhyas, which evolved from the more ancient Vedic Texts padapathas (") around 800 BCE, deal with the manner in which the Vedas