Imports fyne.io/fyne/v2 fyne.io/fyne/v2/canvas fyne.io/fyne/v2/container fyne.io/fyne/v2/layout fyne.io/fyne/v2/widget github.com/RileySun/FyneMusic/playbutton github.com/RileySun/FyneMusic/song github.com/RileySun/FyneMusic/track github.com/RileySun/FyneMusic/utils Standard library imports bytes image/color math math/rand os strconv time