The Ancient Hebrews were slaves in the land of Egypt.
Egyptian slavery
He led the Israelites out of slavery in Egypt, to the Promised land, so yes.
There are no records of any Hebrew music before slavery in Egypt.
That is called the Exodus, or Yetsi'at mi-Mitzrayim in Hebrew.
He was chosen by God to lead the Hebrew from slavery
If you are asking for the Hebrew word for "the land", it's ha-arets (הארץ) If you are asking for the name of the Hebrews' land, it's Israel.
The Passover.
avdút (עבדות)
The Hebrew people were in slavery back in Egypt.
They were held in slavery in: Egypt Babylon Spain Nazi Europe
In English it's called the Exodus. In Hebrew it's called Yetsi'at Mimitsrayim (יציאת ממצריים)