300 copies. Three years after his debut Miniaturen, the Berlin-based composer and producer Konrad Sprenger - real name Jörg Hiller - returned in 2009 with Versprochen, his second solo album and first for the Italian imprint Schoolmap. Where the earlier record traded in short, clipped statements, this one stretches out into a longer, more spatial scale, twelve pieces with evocative German titles given room to unfold across darker emotional registers. The word Versprochen itself sits somewhere bet…