Buried within studio albums are some superb songs which were never performed in music shows or uploaded in YouTube. These non-title tracks are saved especially for fans who support their favorite groups by shopping for CDs. 

If you have been content with watching YouTube and the Television, then here some songs that you have been missing. 

1. "Rude Love"

"Rude Love" is a sweet and teasing song packed in f(x)'s "Four Walls" album. The lyrics tell the story of a girl who plots to steal a guy's heart. The songs is enhanced by Krystal's distinct vocals. 

2. "Stress"

"Stress" is a mid-tempo song with some English lines in Taeyeon's "I" album. On this track, the Girls' Generation leader shows her dark side by singing, "You've got me smoking cigarettes, I'm stressed baby."

3. "Attracted to U"

Usually an energetic and perky group, Apink revealed their matured and feminine side in the album "Pink Memory."

While the title track and the rest of the songs give off a dainty vibe, "Attracted to U" stands out for being chic and exudes the energy we miss in Apink's previous albums. 

4. "Luv Me"

AOA's main rapper Jimin has the lesser lines in "Heart Attack," the title track of AOA's latest album.

If you can't get enough of her rapping, check out "Luv Me." The song is upbeat and danceable, and the rap part is very catchy.

5. "One Afternoon"

Girls' Generation showcased their flawless vocals in "One Afternoon," found on their "Lion Heart" album. The romantic and nostalgic track sounds like an 80s song.

6. "Romance"

SHINee's music videos often highlight their spirited dance moves. But if you're the type who wants to sit down and be mesmerized by the group's angelic vocals, then "Romance" from the album "Married to the Music" is perfect for you.

7. "Oh Boy"

Red Velvet usually performs quirky, dynamic, and out-of-this-world dances. But in the song "Oh Boy," found on the album "The Red," Irene, Wendy, Seulgi, Joy, and Yeri show their more sensual side.