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Yes, tenor clef is a C clef, in that it indicates the position of middle C, which in this case is on the 4th line from the bottom.
Alto drumstick
Martin Nievera, Gary Valenciano, Ogie Alcasid, and Piolo Pascual Cino pa ba are Filipino tenor singers.
Tenor
Yes. He have a tenor voice. He has a very high voice so he is a Tenor.