If you're referring to the famous piece in Carnatic music, it is most likely the composition:
If you meant a different piece, or if you have a specific line, composer, or raga in mind, could you please share more of the lyrics? I can then identify the exact composition, its composer (e.g., Tyagaraja, Muthuswami Dikshitar, Swati Tirunal), and provide the notation or meaning. jalasaila
The most well-known kriti containing this phrase is: or "Jalasaila vihÄra ramaį¹a" ā dedicated to Lord Rama or Vishnu, describing Him as one who dwells in the ocean (Jalasaila = ocean-mountain? Actually, "jala" = water, "saila" = mountain; combined could mean "ocean" metaphorically, or a mountain surrounded by water). If you're referring to the famous piece in
is the rÄga mudrÄ (name of the rÄga embedded in the lyrics) found in the popular composition: "Jalasaila vihÄra" (or similar variants) ā often in RÄga KÄ«ravÄį¹i or RÄga Jalasaila (which is a janya of 21st MÄla KÄ«ravÄį¹i). Actually, "jala" = water, "saila" = mountain; combined