quadruple note
US /ˈkwɑː.drə.pəl ˌnoʊt/
UK /ˈkwɑː.drə.pəl ˌnoʊt/

1.
not kuadrupel, not empat kali ganda
a musical note having the time value of four whole notes, represented by a large oval note head with two vertical lines on either side.
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The composer used a quadruple note to indicate a very long duration in the slow movement.
Komposer menggunakan not kuadrupel untuk menunjukkan tempoh yang sangat panjang dalam pergerakan perlahan.
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The ancient manuscript showed several instances of the rare quadruple note.
Manuskrip purba menunjukkan beberapa contoh not kuadrupel yang jarang ditemui.