A musical journey to Eastern Europe and the Middle East featuring the magnificent music of the Samodivi band is the season’s first concert offering by Music on Centre. Vessela Stoyonova will be back with her marimba along with Turkish singer Burcu Gulec (both from the Berklee School of Music in Boston) and other performers with exotic instruments of that region. Admission is $20 for adults, $10 for those 21 and under; maximum $40 per family.