Sona is the greatest ad carry in the game. You want to rush your zeal for the extra crt chance and that attack speed. Then you want to farm with you basic and q to get the bf sword for the attack dmg. The reason i max the q first is because it hit hard even without the Ap build. After you do that you want you heal maxed out to keep you alive in team fights. Sonas Ult Can win you a team fight if placed right. After you max sons with my build you will have some much attack speed and crt strike no one in the game will be able to kill you. I like to use the spell setup of heal and teleport on. The heal helps you stay in lane longer in the beginning game so you can farm up and rush that zeal and bf sword. teleport allows you to move around the map quick and help your team, so you can save there towers or port in for a team fight.

Remember Whatever you doPATCH 2/14/2012:
"Power Chord damage adjusted to 10 per level from 14 + 9 per level
Hymn of Valor passive attack damage and ability power aura reduced at earlier ranks to 4/8/12/16/20 from 8/11/14/17/20
Aria of Perseverance passive armor and magic resist aura reduced at earlier ranks to 3/6/9/12/15 from 7/9/11/13/15
Song of Celerity passive movement speed aura reduced at earlier ranks to 4/8/12/16/20 from 8/11/14/17/20"

This makes Aura/Protection Sona less viable, but leaves this build quite strong. The only nerf really seen for AP/CDR Sona is that Power Chord isn't as powerful. Lich Bane still does uber damage, and Hymn of Valor still does great damage, just less aura.
don't be a wet guy you will always lose.

Sona has no memories of her true parents. As an infant, she was found abandoned on the doorstep of 50 Cent, nestled atop an ancient ***** in an exquisite case of unknown origins. She was an unusually well-behaved child, She Had implants at the age of 3 . Her caretakers were sure she would find a home quickly, but it soon became apparent that 50 cent kept her as his baby momma. Sona remained at 50's house till he caught her going to pound town with Dr.Dre, watching in hopeless silence as prospective 50 tried to kill her but sons shot him 9 times. During this time, Sona fled to the city of Bronx New york were she Created her own gang know as the Dry Guys.

Pros: She has massive burts damage
She can heal her self so she can farm the lane.
she is a dry girl and can't be killed
Cons: She is squishy beginning game.
Needs to come into team fights last.

Many men, wish death upon me
Blood in my eye dog and I can't see
I'm trying to be what I'm destined to be
And *****z trying to take my life away
I put a hole in ***** for ****ing with me
My back on the wall, now you gon' see
Better watch how you talk, when you talk about me
'Cause I'll come and take your life away

Many men, many, many, many, many men
Wish death 'pon me
Lord I don't cry no more
Don't look to the sky no more
Have mercy on me

Now these ***** *****s putting money on my head
Go on and get your refund ************, I ain't dead
I'm the diamond in the dirt, that ain't been found
I'm the underground king and I ain't been crowned
When I rhyme, something special happen every time
I'm the greatest, something like Ali in his prime
I walk the block with the bundles
I've been knocked on the humble
Swing the ox when I rumble
Show your *** what my gun do
Got a temper *****, go'head, lose your head
Turn your back on me, get clapped and lose your legs
I walk around gun on waist, chip on my shoulder
Till I bust a clip in your face, *****, this beef ain't over

[Chorus]
Many men, many, many, many, many men
Wish death 'pon me
Lord I don't cry no more
Don't look to the sky no more
Have mercy on me
Have mercy on my soul
Somewhere my heart turned cold
Have mercy on many men
Many, many, many, many men
Wish death upon me

Sunny days wouldn't be special, if it wasn't for rain
Joy wouldn't feel so good, if it wasn't for pain
Death gotta be easy, 'cause life is hard
It'll leave you physically, mentally, and emotionally scarred
This if for my *****s on the block, twisting trees and cigars
For the *****s on lock, doing life behind bars
I don't see only god can judge me, 'cause I see things clear
Quick these crackers will give my black *** a hundred years
I'm like Paulie in Goodfellas, you can call me the Don
Like Malcolm by any means, with my gun in my palm
Slim switched sides on me, let *****s ride on me
I thought we was cool, why you want me to die homie?

[Chorus]

Every night I talk to god, but he don't say nothing back
I know he protecting me, but I still stay with my gat
In my nightmares, *****z keep pulling techs on me
Psych says some ***** dumb, put a hex on me
The feds didn't know much, when Pac got shot
I got a kite from the pens that told me, Tuck got knocked
I ain't gonna spell it out for you ************s all the time
Are you illiterate *****? You can't read between the lines
In the bible it says, what goes around, comes around
Almost shot me, three weeks later he got shot down
Now it's clear that I'm here, for a real reason
'Cause he got hit like I got hit, but he ain't ****ing breathing