middle C
US /ˌmɪd.əl ˈsiː/
UK /ˌmɪd.əl ˈsiː/

1.
dó central
the note C nearest the middle of a piano keyboard, having a frequency of 261.6 Hz
:
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The piano teacher showed the student where to find middle C.
O professor de piano mostrou ao aluno onde encontrar o dó central.
•
Many beginner piano pieces start with hands positioned around middle C.
Muitas peças de piano para iniciantes começam com as mãos posicionadas em torno do dó central.