Ken Ohtake and "fate" Ken Ohtake, who is still in his early thirties, is a guitarist who often collaborates with Hirayasu. As Hirayasu travels frequently, Lin and Ohtake usually have to tour in support of Planting Trees without him.
今年還不到 33 歲的大竹研，是平安隆長期合作的吉他手，由於平安隆活躍於世界各地，《種樹》專輯完成後，多數的巡迴演出都由大竹研和林生祥兩人獨自完成。