[Stratos]

Bards get:

The Ballad of Three Heroes..Bards start the game with the ability to play this ballad.When the Ballad of Three Heroes is played,all the bard ’s allies gain +1 to hit,+1 damage,and +1 saving throws. * The Tale of Curran Strongheart..Bards gain this song at 3rd level. When the Tale of Curran Strongheart is being played,any fear effect on the bard ’s allies are removed,and they gain an immunity to fear effects for as long as the song lasts. * Tymora ’s Melody.Bards gain this song at 5th level.When played, Tymora ’s Melody gives the bard ’s allies +1 luck,+3 saving throws,and +10%to their lore skill and thief skills. * The Song of Kaudies..Bards gain this song at 7th level.When the Song of Kaudies is played,the bard ’s allies have a 50%chance to shrug off the effects of spells such as Silence,Shout,Great Shout,Command,or any other sound-based attack. * The Siren ’s Yearning..Bards gain the Siren ’s Yearning at 9th level. When played,the bard ’s enemies must save vs.spell or be enthralled, unable to take action until 1 turn passes or they take damage. * War Chant of Sith..The War Chant of Sith becomes available to bards when they reach 11th level.When played,the bard ’s allies gain -2 bonus to AC,+10%Resistance to slashing,piercing,crushing,and missile attacks,and the ability to regenerate 2 hit points every round.

Check out the War Chant of Sith.

Browns1977, unfortunately BG2 doesn't have these songs but you get a good one of you install Throne of Bhaal. Further you can't move your party bewteen IWD and BG2 at all.