The composition is dominated by luminous vertical forms that descend from above like pillars of light. These cascading passages evoke multiple associations simultaneously: the parted waters of the sea, shafts of heavenly illumination, and the invisible presence of the Divine. The painting's atmosphere is ethereal and contemplative, drawing the viewer into a space where physical reality gives way to spiritual experience.

Below, a gathering of figures emerges from the darkness. Their forms are intentionally indistinct, emphasizing their collective identity rather than individual characteristics. Together they stand as witnesses to a transformative moment in history—a people newly freed, united in faith, and moved to express their gratitude through song. The contrast between the shadowed congregation and the radiant light above reinforces the sense of revelation and spiritual elevation.

Working in his distinctive abstract expressionist style, Basteker uses gesture, texture, and atmosphere to convey emotion rather than narrative detail. The vertical movement throughout the composition creates a visual rhythm that recalls voices rising in prayer and praise. Light appears to flow downward even as the figures seem drawn upward, creating a dynamic exchange between heaven and earth.

Rich in symbolism and spiritual resonance, Shirat HaYam reflects on one of Judaism's foundational moments of faith. Through luminous abstraction and expressive form, Basteker invites viewers to experience the biblical song not merely as an ancient text, but as a timeless expression of gratitude, redemption, and the human encounter with the Divine.