Final answer:
The provided information does not specify Ira Altshuler's beliefs or preferred instruments, but discusses the significant role music plays in societal and individual contexts, emphasizing music's expressiveness and therapeutic potential.
Step-by-step explanation:
The information provided does not mention Ira Altshuler directly; however, it touches on the general theme of the impact of music on society and individuals. Aspects of music therapy and the expansion of musical expression to wider audiences are illustrated through the experiences of Robert Gupta and figures like Tod Machover and Dan Ellsey. The materials emphasize the role of music in cultural movements, personal development, and the breaking of societal boundaries. These narratives align with a belief in the powerful connection between people and music and how music can be both a form of expression and a therapeutic tool. While specific instruments preferred by Ira Altshuler are not listed, the broader text touches on the importance of music from historical pop stars like Paganini and Liszt to modern technological innovations that enable new forms of musical creativity.