raga
Concise Oxford English Dictionary © 2008 Oxford University Press:
raga /ˈrɑːgə, ˈrɑːgɑː/ (also rag /rɑːg/)
▶noun (in Indian classical music) each of the six basic musical modes which express different moods in certain characteristic progressions.
– origin C18: from Sanskrit, lit. ‘colour, musical tone’.
'raga' also found in these Oxford entries:

