View credits, reviews, tracks and shop for the File release of "U-ex(perimental)" on Discogs. View credits, reviews, tracks and shop for the CD release of "U-ex(perimental)" on Discogs. CD 'u-ex(perimental)'. by Mark Lotz / Meinrad Kneer. Bassist Meinrad Kneer and flutist Mark Alban Lotz perform in a lot of fantastic configurations here. u-ex(perimental) by Mark Lotz & Meinrad Kneer, released 01 June 1. Ballet D'Action 2. Serene 3. Operation Hercules 4. Hold 5. Rondo 6. Conculsion 7. Lotz/ Kneer - U-ex(perimental) by Mark Alban Lotz/ Meinrad Kneer & guests of the Amsterdam Improv Scene, released 01 September 1. Ballet D'Action 2. Jazz news: Mark Alban Lotz & Meinrad Kneer CD Release "U-Ex(perimental)". Posted in “Recording” column. Published: January 9, @ All About Jazz. In , Dutch flautist Mark Alban Lotz and bassist Meinrad Kneer followed by another experimental improvisation, with saxophonist Yedo. Articles; Mixes; Song plays. CD by Meinrad Kneer and Mark Alban Lotz. U-experimental was a concert series of free improvised music in Utrecht. Product Identifiers. Producer, Mark Alban Lotz^Meinrad Kneer. Record Label, CD Baby. UPC, eBay Product ID (ePID), Day "U-ex(perimental)" by Lotz/ Kneer & guests (Mark Alban Lotz – piccolo, c-, alto-, bass flute, pvc contrabass flute, prepared flute, voice (all.