Answer:
la Historia del Arte, el tiempo y el esfuerzo que he invertido ... nos a partir del siglo III a.C., se desarrolla la cultura clásica, llamada así por ... los palacios y, dentro de éstos, en sus artes figurativas .
Maybe you should try to rub it with acetone?
Those are scales. the highlighted notes (aka the guide tones) are notes in that specific chord that give a harmonic pull towards the next chord. generally they are the 3rd and 7th note (that’s what determines what type of chord it may be: major, minor, major-minor, or dominant). they are the most harmonically important notes in the chord since they determine the quality of the chord itself, so make sure they are in perfect tune.
Well. Happy Birthday to you