Then in 2004 they released their third album "Brainstorm" which fans praised and gave the album good reviews. 2004 also say Bank star in the Thai movie "Pun X Dek Sood Kua" along with longtime friend and fellow singer Num, from the band Kala, the Movie featured the hit song Pleng ruk pun X, which saw release on the movies OST. At the end of 2004 GMM Grammy chose to end the year by releasing a special album to celebrate their 20th anniversary. The album featured Clash and 3 other bands (Kala, AB Normal and Potato) sing some of the greatest hits from Grammy's 20 years, the Album was titled "Pack-4". Artists such as Loso, Silly Fools and Asanee Wasan were covered by the young bands. Clash covered songs made famous by Joe & Kong, Y-Not-7 and Maew Jirasak Panpoom.