I also made two heroines based on my love for music.

Melodea (Elodea Andersson) has a pale skin tone and silver hair resembling music bars. She has dark brown eyes with teal eyeshadow. Her costume resembles an outfit worn by girls at choir concerts. It is a long-sleeved purple jumpsuit with blue sleeves beneath it and a purple-to-teal gradient pattern on its long train. The leggings of the suit are bell bottoms. Melodea also wears silver flats with teal gems on the tops. She has bass and treble clef clips in her hair.

Melodea is good-natured and helpful. She thinks of others all the time and tries to help them in any way she can. She speaks respectfully to people, staying mindful of their customs. She is also hardworking, knowing there are no shortcuts to success. She can be pretty loud, however, and she's not exactly easy to befriend. She is sensitive to light, and she has trouble making eye contact with people.

Melodea has a very powerful singing voice, a talent she gained from years of practicing. When she sings, her songs can control the emotions of those she is singing to, or otherwise subdue them. She can also manipulate the volume of her voice and lift herself off the ground with sound waves. Both of the girls are long-distance fighters who mostly practice ranged combat, though Melodea also redirect attacks with a conductor's baton. Sadly, they sometimes doubt their abilities.
Additionally, Melodea is a good teacher; she works as a voice teacher and a vocal coach. She is also able to conduct. She can dance a little, but she's much more skilled at singing.

Cadenza (Cadence Andersson) looks similar to Melodea, being her younger sister. Her hair is short and swooshy, and she wears a clip of musical notes in it. She wears a costume that resembles a marching band uniform, with a red and black top with yellow-orange buttons going diagonally down the middle, gold boots, bronze gloves and light orange pants. Her top has a small extension at the bottom with a yellow underside.

In most situations, brave Cadenza will want to be the one in charge. She can get really agitated when someone tries to talk down to her, and like her sister, she can get quite loud. Cadenza is spirited, bold and sweet, and she's good at looking for details. She really enjoys being in the spotlight.

Cadenza is able to play six instruments: trombone, bassoon, viola, snare drum, keytar and cymbals. She can also control how loud her music gets. The sound that comes from her playing her instruments can knock people backwards and destroy objects, especially glass ones. She can do this even when she isn't playing that loudly. She is more skilled at the keytar, drum and cymbals, as she started learning to play those at an earlier time in her life. The girls fare best with ranged combat, but Cadenza can also parry with her drumsticks. She sometimes doubts herself.

Cadenza is able to teach; she would always fill in for her band director whenever he was out. She can also conduct.

Elodea and Cadence are sisters of Swedish, Italian, and Greek descent. They went to school together in Mississippi. Elodea did very well in her music lessons, but her teachers weren't very supportive of her because they thought she was "too socially challenged." Cadence was learning to play six instruments, but people around her said that she was "too ambitious." The sisters tried to overcome their self-doubt and keep working hard on their musical skills, and when they were at a point when they felt happy with themselves, their music sounded as good as they felt. A certain musical spirit rewarded the girls for putting in effort to believe in themselves. It changed their appearances and gifted them with musical superpowers, allowing them manipulate sound and music in superhuman ways. From this, Elodea became Melodea and Cadence became Cadenza. They still feel uncertain about themselves from time to time, but they do their best to stay up on their feet.

The girls infiltrated the H.I.V.E. Academy together to keep tabs on the organization, but were tasked with giving the students music lessons. Melodea handled their choral department, giving them voice lessons, while Cadenza taught them all to play an instrument.

Following the Academy's collapse, the girls are seen going on missions across the country, particularly dealing with sound-related threats.

Eventually, the girls earned their status as Honorary Titans. They joined the Titans and several other young heroes in their battle against the Brotherhood of Evil.

Melodea will swoop in to protect Cadenza if she can't defend herself. She is good at working with her in battle, but advises Cadenza to think about the consequences of her actions. Cadenza doesn't usually like when her sister gives her advice, and she gets aggravated when she doesn't lead in combat, but she enjoys spending time with her. Some things that the sisters love doing together are watching movies, going to the cinema, playing with their dolls and going out for walks.

The girls are allied with Scorpion, a member of Titans East (and another OC of mine). They have teamed up against the HIVE and the Brotherhood of Evil, and the girls have learned to use their musical abilities in tandem with Scorpion's ballet dance-based fighting style. They have also worked with the Herald; Cadenza has expressed how thrilled she was to play duets with him.

Some extra trivia is that both the girls are autistic.