Tree House features Felix as a composer and bandleader. The septet, commissioned by the Jazzahead and InJazz, has been premiered during the Jazzahead in 2023.
José Soares (sax), Mete Erker (sax), Franz von Chossy (piano), Olivier Van Niekerk (guitar), Liva Dumpe (vocals), Pat Cleaver (bass)