Which city was historically known as Byzantium and later renamed Constantinople?

Istanbul

Taylor Swift wrote the song "Innocent" after an incident involving whom at the 2009 VMAs? What instrument does Lizzo famously play during her performances? The city of Mumbai was previously known as? What ancient kingdom used iron weapons to conquer Egypt around the 8th century BCE? Which creature from Elder Scrolls III: Morrowind serves as a primary means of transportation around Vvardenfell island?