Junji Shirota has been performing professionally since 1973 having first specialized in Bluegrass music in Japan, fusing elements of Japanese & Bluegrass music along the way. His group released over 35 albums on the Toshiba EMI label. He moved to the United States in 1986 and discovered Irish traditional music there. He became a key member of the Irish music scene in San Francisco. He has been touring and recording with a host of international Irish traditional musicians up to this day. 

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Mareka Naito started playing the classical violin at the age of 3. She won numerous competitions in junior school such as the Japan Classical Music Competition & Velsus International Junior Violin Competition (Italy). She first discovered Irish traditional music in 2007 and began her journey of learning to play the Irish fiddle. In the middle of this journey she also found the time to attend university to study medicine in Yokohama & graduated with a doctors license in 2014. Mareka is also proficient in the harp and concertina.