Porque, no começo do texto, o narrador afima que "estranha é a cabeça das pessoas"​

When the percussion section played the theme, the theme was less recognizable since most percussion instruments aren't tuned to a pitch the instrument sounds included drums and cymbals both a and b neither a nor b

Match the instrument with its classification group: trumpet idiophone piano chordophone cowbell membranophone snare drum aerophone

What does bts stand for? what is the importance of bts? who first started it?