Mark Slobin, the Winslow-Kaplan Professor of Music, was honored April 16 with “Ideas on the Move,” a conference celebrating his career and many accomplishments. Slobin will retire from Wesleyan June 30. Slobin is an ethnomusicologist who has written extensively on the subject of East European Jewish music and klezmer music, as well as the music of Afghanistan. The daylong event featured talks by alumni from as far back as 45 years. Topics included “Mark’s Metaphors: Visual Poetics, Pedagogy and Theoretical Clarity;” “ONCE Upon a Time: Mark Slobin’s Experimental Ethnomusicology;" “How Mark Slobin Became an Ethnomusicologist;" and “Growing Up With Mark." A concert, featuring Irish,…