STOP  ANSWER THE POLL QUESTION BEFORE PROCEEDING PLZ THX   So with Chromatica just around the corner, I thought I’d calculate the total amount of days each era has lasted. My procedures are as follows: lead single release date is the start date (I would’ve used lead single announcement dates but I couldn’t find the specific date Just Dance was announced ) and final tour date is the finish date (Gaga has never released a single after her tours have finished but if she had {like I think she