Videotapes recorded on component video signal systems cannot be played back on composite (NTSC) equipment

The driving left hand, repeated melodic, and rhythmic pattern in boogie-woogie is called:

A) ostinato B) lead riff C) instrumental break D) counter melody

Who designed the funerary complex and stepped pyramid of Djoser?

A. Djoser B. Imhotep C. Menkaure D. Menes