For Morris Hayes and a community of artists and educators, playing the music is only part of the answer. So is inspiring the next generation, showing them what it takes and giving them opportunities. If they can see it, they can be it. It’s an idea at the heart of Crescendo Detroit, a nonprofit providing free after-school and summer programs that use music and dance, academics, life skills, and mentorship to nurture Detroit young people ages 5 to 18: let them see excellence u