What does the speaker in Isaiah 12:2 claim about Yah?

The assertion made in Isaiah 12:2 highlights that Yah, or the Lord, is described as "their strength and song." This phrase encapsulates the idea that God is not only a source of empowerment and guidance but also a reason for joy and worship. The presence of Yah as strength signifies His role in providing support and resilience in difficult times, underscoring His protective and sustaining nature. Meanwhile, the depiction of Him as a "song" implies that He is the focal point of praise and gratitude, suggesting that the act of worship flows from the strength He provides. This dual nature emphasizes both the intimate relationship between the people and God, as well as His ability to uplift them in their circumstances, prompting them to express their faith and experience joy in His presence.