at 43 minutes in, Matsuko tells Tsunku how much he enjoyed Tsunku's EDM (Electronic Dance Music) era songs for Morning Musume. It captivated Matsuko when One Two Three, Wakuteka, Help Me etc. came out. Tsunku was trying to do to something different and experiment with EDM to counter AKB48 at the time. Tsunku's 6 or 7 EDM songs came at the right time.
at 37:15, Matsuko also loved Tsunku's Curry Rice no Onna by Sonim.