In Berlin , he was in a trio along with Johannes Fink and Oliver Steidle ( CD , Circle is unbroken ) and in a quartet with Wilson de Oliveira and also in Christian Grabant quintet .
Since then , Porter has lived and worked in Berlin .
In Berlin , Porter was in a trio along with Johannes Fink and Oliver Steidle ( CD , Circle is unbroken ) and in a quartet with Wilson de Oliveira and also in Christian Grabant quintet .
Since then , Porter has lived and worked in Berlin .