Singer Seo Taiji's comeback concert 'Christmalowin' was sold out on September 4.

According to Seo Taiji Company, the tickets were on sale at 8 p.m. on September 3 and were all sold out within 20 minutes.

Seo Taiji will make a comeback in mid-October with his ninth album and will have his concert on October 18 to celebrate his comeback and 22nd year since debut.

'Christmaslowin' is a combination of Christmas and Halloween that is to show one of the biggest celebration of music.

Seo Taiji invited rappers Swings and Vasco as guests for a collaboration stage. He is also using the nation's best sound, set, and light systems.

'Christmaslowin' will be at the Seoul Jamsil Stadium and the second round of tickets went on sale on September 4.