Hit songs sung by sibling singers are gaining attention again.

KBS Joy's '20th Century Hit Song' recently aired an episode titled 'We Are Family Family Family Sibling Singer Hit Songs,' selecting and introducing representative songs by singers who performed as family units.

In the broadcast, Ryang Hyun Ryang Ha's "What Is Dance" was ranked 10th. This song is a dance track sampling "Stop Right There," featuring a stage performance by identical twin brothers born five minutes apart. In 9th place was Tutti's "Vicarious Satisfaction." Tutti were also identical twins with the same height and weight, who attracted attention by holding a double wedding ceremony in a year when two Ipchun (the beginning of spring) days overlapped.

In 8th place was Koreana's "The Victory," composed of family members. In 7th place was the sibling group Freestyle's "Y." They continued group activities by dividing roles. 6th place went to Choi Ho Seop's "When Time Passes," where three brothers each took charge of singing, lyrics, and composition.

Ranked 5th was Crying Nut's "The Night Has Deepened," with members Lee Sang Myeon and Lee Sang Hyuk revealed to be twins born five minutes apart. 4th place was Hans Band's "Teacher, I Love You," composed of three sisters. On the show, Lee Mi Joo shared experiences about quarrels among sisters.

In 3rd place was Y2K's "Deep Sorrow," featuring mixed-race Japanese brothers Yuichi and Koji. 2nd place went to 015B's "Very Old Lovers," performed by biological brothers Jang Ho Il and Jung Seok Won. Although there were rumors they were half-brothers, they are actually full siblings.

The top spot went to Sanulrim's "Already?" Sanulrim is a band made up of three brothers: Kim Chang Wan, Kim Chang Hoon, and Kim Chang Ik. They stopped activities after the youngest brother passed away following their 13th album. Sanulrim is preparing a remake album reinterpreting 50 songs to celebrate their 50th debut anniversary.

The broadcast also introduced cases where siblings participated together in writing lyrics, composing, and vocals to complete songs. After the broadcast, interest grew in sibling singers active in the entertainment industry.