6 hour set its not that long if you enjoyed it yourself too, not just a chores,
I usually divided each hours (or sometime 2 hours?) to each different set divided to each mood of the night,
Beginning Sets:
– Soulfull House
– Tech House / Deep
– Nu Disco
– Classic Disco, etc
Middle Sets:
– Dutch House,
– Breakbeat,
– Light EDM,
– Commercial Remixes Pop Stuff, etc
Ending Sets:
– Trance,
– Progressive House,
– Big Room Festival,etc
And was it your friends 40th bday party ? If it is, take time to mingle some, in the middle of your sets, put on some mixtape, go walk around, grab a light drink and a bite to eat and socialize a bit, armed yourself with some cards and such just in case