<span>The French term<u> avant-garde</u> is usually reserved for artists or artworks that challenge existing conventions of art. The individual or works have a tendency to be radical, revolutionary, and/or unconventional in regard to art, culture, and society.</span>
You are Albert's son or Albert is your father. Simply we need to analyze first the situation.
You are a male, which makes you X.
Your son if Y.
Your son's father is Z
Albert's son is A.
Let's say that your son's father (Z) is you (X) because it is your son, so that makes it X = Z or Z = X.
Next, Albert's son is your son's father. so we all know that son's father is just equal to X which is you, that means that A, Albert's son, your son's father (Z) and you (X) are all equal.
Therefore, you are Albert's son, Albert is your father. Albert is your son's grandfather, and your son is Albert's grandchild.
The answer is D) rhythm.
During the Ars Antiqua, music theory made great strides. One of the most important innovations from this time was the devlopment of a notation, or written representation in sheet music, of rhythm. Rhythm is naturally a very important element of music, and being able to represent the rhythm of a song in written form made it much easier to play it accurately without having heard it.
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