Complex sentence: As student at the prestigious Thelma Yelin High-School Of Arts Dekel was imeressed in jazz history, ear training and theory, where he played with noted students Eli Degibri, Avishai Cohen, Daniel Zamir and others, and performed throughout Israel.
Split into simpler sentences: As student at the prestigious Thelma Yelin High-School Of Arts, Dekel was immersed in jazz history, ear training and theory. During his studies, he played with fellow noted students Eli Degibri, Avishai Cohen, Daniel Zamir and others, and performed throughout Israel.