Over the years, Bank of Ann Arbor has become the 2nd largest bank in Ann Arbor. As the institution has grown, so has its investment in local music, art and cultural institutions. There are now more than 30- such entities getting bank support from a pool of more than $5 million. And, the president of the bank says that number will grow in the years to come. In this week's edition of WEMU's 'creative:impact,' Tim Marshall explains why he believes corporate giving is vital to the area's cultural vibrancy.