Pengaruh terapi musik terhadap saturasi oksigen, frekuensi denyut jantung dan frekuensi pernafasan bayi yang menggunakan ventilasi mekanik di RSUP Dr M Djamil dan RSI Siti Rahmah Padang = Effect of music therapy to oxygen saturation, heart rate and respiratory rate of infants using mechanical ventilation in RSUP Dr M Djamil and RSI Siti Rahmah Hospital Padang