The unaffected and unpronounceable Brahman of sound is the Supreme Lord Shiva. O dear one, meditate on them constantly with intelligence and diligence.
Hence the Śabdas are ninefold as explained by those who know the science of breath. I shall explain them assiduously in the proper order according to the Siddhi of Nāda.
घोषं १ कांस्यं २ तथा शृंगं ३ घण्टां ४ वीणा ५ दिवंशजान् ६ ।। दुन्दुभिं ७ शंखशब्दं ८ तु नवमं मेघगर्जितम् ९ ।। ४० ।।
They are Ghoṣa (sound of the soft consonant), Kāṃsya(sound of bell metal), Śṛṅga (sound of horn), Ghaṇṭā (bell), Vīṇā (lute), Vaṃśaja (flute), Dundubhi (drum), Śaṅkha (conch) and Meghagarjita (the rumbling thunder).