I use the following macros

/ac "Straight Shot" <t>
/ac "Bloodletter" <t>
/ac "Misery's End" <t>


/ac "Misery's End" <t>
/ac "Bloodletter" <t>
/ac "Heavy Shot" <t>


/ac "Venomous Bite" <t>
/ac "Bloodletter" <t>
/ac "Misery's End" <t>


/ac "Wind Bite" <t>
/ac "Bloodletter" <t>
/ac "Misery's End" <t>


Regarding DoTs I refresh when the icon disappears from target debuff area. Song wise I use Foe Requiem during trash, the other 2 I use at half TP and 75% MP for casters.