Give the gift of music this holiday season to a loved one–or treat yourself–by picking up a 3-Day pass for Boston Calling! May 2015’s festival will take place over Memorial Day weekend (May 22, 23, 24) and these presale passes are only available in limited amounts, so act fast! No one will be able to top this present, so you can gloat for years to come. Read on for details about pricing and a special bonus.