Here are just some suggestions for new musician based cards and a few other reprints.
Miriam
4/4 white brigade hero
Territory class
Protect musicians and exodus heros from evil enhancements played outside of battle. May band to a male exodus hero. Cbp
David
10/3 white brigade hero
Warrior class
Discard a philistine. David may use enhancements involving music and those connected with david regardless of brigade. If David wins a battle he gains purple brigade and negates evil royalty. CBN
David's harp
Artifact
Identifier may be activated on David
Protect musicians from capture. If a musician would be discarded by an opponents effect you may place that hero on top of deck instead. CBN
Jubilee
0/0 white brigade enhancement
Territory class
If used by a musician, interrupt and shuffle an evil card.
Joab
8/8 red brigade
Warrior class hero
Discard absolom. If your good king would be harmed this turn you may discard Joab instead. May band to a king of israel.
David's music
0/0 white brigade enhancement
Interrupt the battle and protect your musicians and kings of isreal from an evil enhancement or neutral card.
Deborah
4/4 gold/white hero
May band to Barak.
Barak
5/4 red/white hero
Warrior class
Discard a canaanite. If Deborah is in battle you may play an enhancement.
Hinds' feet
0/3 red/white enhancement
Weapon class
Holder may discard this card to underdeck an evil enhancement.
David's sling
3/0 red/white enhancement
Weapon class
Character has first strike. Protect character from decrease.
Five smooth stones
5/0 red/white enhancement
Discard an evil character.
Bow and arrow
2/0 red/white enhancement
Weapon class
If character is opposed by a warrior class evil character hero May play the first enhancement.
King Saul
10/10 purple hero or brown evil character
Warrior class
As king Saul enters play choose him to be a hero or evil character. As an evil character King Saul may band to a brown brigade warrior class Character (except a king). As a hero King Saul has no special ability.
Absolom
5/6 brown brigade evil character
Warrior class
Identifier limit 1 king set aside by this card
Set aside a good king for as long as absolom is in play. Protect this character from the first good enhancement played in battle unless the hero is warrior class.
Abner
9/8 brown brigade evil character
Warrior class
This character has first strike unless Joab is in play. Negate good weapons.
Doeg
5/6 brown brigade evil character
Warrior class
Discard a good priest from each opponent.
Discard all non weapon enhancements placed on characters.
Absolom's soldiers
8/8 brown brigade evil character
Warrior class
If this character blocks a member of a royal family discard a neutral card in that players territory. CBN.
Michal
4/4 brown brigade evil character
Ignore david. Protect from capture.