Well, most of you will be happy to know the next champion is a support champion.
Passive: Power Chord: After 3 spell casts, Sona's next attack will deal 80 + 20 x lvl magic damage, and reduce the damage the target deals by 30% for 3 seconds. Additionally, Sona's Auras persist for 3 seconds after deactivating.
(Q)Hymn of Valor - Passive Aura: Sona plays the Hymn of Valor, increasing nearby allied champions Damage and Ability Power by 8/12/16/20/24. Active: Sona fires bolts of sound, dealing 70/120/170/220/270(+0.6) magic damage to the nearest two enemies (prioritizes champions).
(W)Aria of Perseverance - Passive Aura: Sona plays the Aria of Perseverance, increasing nearby allied champions Armor and Magic Resist by 8/12/16/20/24. Active: Sona sends out healing melodies, healing Sona and the most wounded nearby allied champion by 50/75/100/125/150(+0.6).
(E)Song of Discord - Passive Aura: Sona plays the Song of Discord, granting nearby allied champions 14/18/22/26/30 bonus Movement Speed. Active: Sona energizes nearby allies, granting them 14/18/22/26/30% Movement Speed for 1.5 seconds.
(R)Crescendo - Sona plays her ultimate chord, forcing enemy champions in a line in front of her to dance, taking 150/250/350(+0.7) magic damage over 2.5 seconds.