After 4 Years, Tho-So-Aa hits the stores with his new full length double CD Sleeping Explorer. This album contains 11 absorbing tracks and has a total playtime of 111 min. Sleeping Explorer is your ultimate companion for your dark journey to self-awareness and builds with unique soundscapes a very special atmosphere. This atmosphere is going to be completely destroyed by powerful drones and terrifying baselines preparing you for exploring your darkest thoughts. Because there, and only there, you will find totally silence and this is the beginning of something new. Carousel Begins. Lutz Rach is well known in creating dark soundscapes since 1995. In 2007 THO-SO-AA begun his powerful partnership with Tesco. The first CD was named “Identify” and is nearly sold out.