Red Velvet s 2nd album of The ReVe Festival [Red Velvet The ReVe Festival Day 2] features total 6 songs. The title track Umpah Umpah is an onomatopoeia of breathing technique in swimming. It is an up-tempo dance song based on disco house rhythm in which funky guitar riffs and pluck bass blend perfectly with the disco rhythms synth sound. It refers the unforgettable moment to swimming as the body remembers and never forgets when one first learns to swim. The song talks about teaching how to breathe while swimming creating a pleasant memory with a lover with your eyes and charm. The album is filled with songs that will satisfy sentiments of summer to the fullest with colorful and rich vocals of Red Velvet. The album includes 1 booklet (48p) 1 folded poster (only for the initial order) 1 postcard (random 1 out of 5) and 1 photo card (random 1 out of 5). This is an official release from SM Entertainment and will count towards Billboard and Gaon charts.