DUELS HAVE RULES. OURS HAVE SIX.

1. Know his/her taste. Curate each list with intention.

2. Deliver this month's list on the 1st, along with your rent or mortgage. 

3. Every track should be a 'first listen' for the other party. List crossover and artist repeats are taboo. 

4. Each playlist must be accompanied by a set of questions that the other sibling must answer.

5. No more than16 songs. No less.

6. Never reveal your sources.