Yes, you read that right. I'll also mention that when the character is made, it'll be 7th level, so the levels of Bard and Barbarian will be split. She likes the idea of raging to greatly increase her effectiveness in combat, but also likes the performance system in Pathfinder, so I'm trying to make it work. Now, I know that raging as a barbarian makes Charisma, Dexterity, and Intelligence based skills unusable (except Acrobatics, Fly, Intimidate, and Ride), so that rules out Performance checks because they are Charisma based. I was looking through the wording though and it looks like some of the Bardic Performances and some of them don't seem to require a check. For example: Inspire Courage reads…
A 1st level bard can use his performance to inspire courage in his
allies (including himself), bolstering them against fear and improving
their combat abilities. To be affected, an ally must be able to
perceive the bard’s performance. An affected ally receives a +1 morale
bonus on saving throws against charm and fear effects and a +1
competence bonus on attack and weapon damage rolls. At 5th level, and
every six bard levels thereafter, this bonus increases by +1, to a
maximum of +4 at 17th level. Inspire courage is a mind-affecting
ability. inspire courage can use audible or visual components. The
bard must choose which component to use when starting his
performance.
Nowhere in that text is a Perform check required and the only condition to continue a Bardic Performance is a free action, so this should be possible right? A few performances do either require the Perform check (Countersong for example), and others conflict with the concept of Rage (Fascinate requires no Perform check, but also doesn't work in combat, which a Barbarian should DEFINITELY be doing if they are raging). I'm fairly new myself, so I'm not quite sure of a lot of nuances to this, like whether you can make Perform checks while brandishing a Greatsword, if this particular class combination would work, and if it did, what combination of levels should be used. Any help would be greatly appreciated.
Best Answer
A barbarian/bard can, while in a rage, start and continue a bardic performance—maybe
The bard's bardic performances say nothing about concentrating and only a handful mandate Perform skill checks (countersong, distraction, et al.), making the others possibly usable while in a rage. However, performances do require using some kind of action to start and, often, to maintain. So while it's totally legit to get really angry and, for example, climb a mountain or swim a channel, because bardic performances use actions, starting or maintaining them while in a rage might run afoul of this part of the rage description:
Emphasis mine. So while the barbarian's rage itself doesn't explicitly forbid, for example, massive shredding on your lute or belting out "99 Bottles of Dwarven Ale on the Wall" while simultaneously furiously headbutting orcs to death, the GM can simply say No, starting and maintaining a bardic performance requires patience that's impossible while raging.
This GM would allow a character in a rage to start or continue an appropriate bardic performance
The player should be aware that it's a tough row to hoe, though. In addition to other issues like multiple ability score dependency,1 the huge—perhaps, I dare say, insurmountable—problem with playing, for example, a barbarian 3/bard 4 is that such a character will each day have only a total of 11 rounds of fight in him (and that's generously assuming a Con 16 and Cha 16).2 Level 7 is actually past the point when the wizard can cast an extended rope trick and everybody can rest in the extradimensional space in relative safety, so being good for only two fights per day (unless the group's really efficient) is fine at that point, but actually playing this character to that point would be a constant and—for me, anyway,—unpleasant war with an ever-ticking clock.
1 Such a character needs high Str, Con, and Cha, would like a high Dex and Int, and will regret a low Wis.
2 Yes, I'd put the extra level in bard. That means 2nd-level bard spells.