The exhibition “Poetry, Music and Motion” by oil and acrylics artist Gloria Coker opened last week during First Friday at Arts on Main in Gloucester. Coker is known for her loose design and vivid colors. Many of her paintings are of musicians and dancers. Shown, from left, are Arts on Main Board Chairman Bill Anderson and Executive Director Betsy Henderson, Coker, and gallery volunteer Walt Evaniak. At right, in a photo by Eric Altizer, is Coker’s colorful, lively painting “Blue Indigo.” ...