Why did SE decide to make the three new classes not require base classes?

[roninoftagrm]

Bard is nothing without Archer. Bard without Archer = a guy with a Harp and no almost no attacks. Worthless for endgame.

http://aurakingdom.aeriagames.com/azuria/classes
click bard

using damaging sound/music based magic you hurt the baddies.