Violinist Konstanze Lerbs studied in Hanover and Cologne. She did post-graduate studies with Rainer Kußmaul at the University of Music in Freiburg and also studied Baroque violin in Trossingen. This was followed by numerous performances as a soloist and in chamber ensembles, before she joined The Deutsche Kammer­philharmonie Bremen in 1995.

Apart from the orchestra, she continues to pursue her interest in chamber music, in which she has a wide stylistic range and also loves making excursions into the cross-over genre.

Outside music, she dedicates her attention and her interest to her children and her home in Bremen.

父の指導の下、4歳でまずピアノを習い始め、間もなくチェロに転向する。ウルフ・ティッシュビレク（リューベック音楽大学）、ジャン＝ギアン・ケラス（フライブルク）、イヴァン・モニゲッティ（バーゼル）に師事の後、コンラディン・ブロートベク教授（シュトゥットガルト）の下で修士課程を修了。ドイツ系アイルランド人のマッケンナは、2012年よりバルタザール＝ノイマン・アンサンブルのメンバーであり、2014年以来カメラータRCOにも度々客演している。2013/14年シーズンはロイヤル・コンセルトヘボウ管弦楽団にて、続く2015－2017年にはドイツ・カンマーフィルハーモニー管弦楽団でアカデミー生として研鑽を積む。

室内楽奏者として、これまでマリア・ジョアン・ピレシュ、ボリス・ガーリツキー、オーギュスタン・デュメイ、ミゲル・ダ・シルヴァ、オッリ・ムストネンほか名だたる演奏家と共演。ヴェルビエ音楽祭、サウスウェル音楽祭などに出演経験があるほか、自身の地元で家族ぐるみのカーレビー音楽祭を立ち上げている。ダッチ・クラシカルタレント・アワードの2018/19年シーズンのファイナリストとして、オランダ各地の有名ホールを巡るソロツアーの経験もある。2020年2月にドイツ・カンマーフィルハーモニー管弦楽団の首席チェロ奏者に就任。2021年、無伴奏チェロ作品を集めたデビュー・アルバムをリリースした。

Since 1993, Daniel Sepec has been concertmaster with The Deutsche Kammer­philharmonie Bremen, with which he also appears regularly as a soloist. He has recorded two CDs with the orchestra featuring works by Johann Sebastian Bach as well as Antonio Vivaldi’s ›Four Seasons‹, on which he also directed himself.

He has also appeared several times as guest concertmaster with the Chamber Orchestra of Europe (including a tour with Claudio Abbado), Camerata Academica Salzburg and the Ensemble Oriol Berlin. As a soloist he has performed with the Academy of Ancient Music under Christopher Hogwood, the Vienna Academy of Music under Martin Haselböck and the Orchestre des Champs-Elysées under Philippe Herreweghe.

His CD recording of H. I. F. Biber’s Rosary Sonatas received the German Record Critics’ Award. Daniel Sepec is the only musician to date to have recorded a CD on a rediscovered violin formerly belonging to Ludwig van Beethoven together with pianist Andreas Staier. As a member of the Arcanto Quartet, he has made recordings of the Mozart, Brahms, Debussy, Ravel, Bartók and Dutilleux string quartets, as well as Schubert’s String Quartet.

From September 2010 until July 2014, he was professor at the School of Music in Basle. In 2014, he was offered a professorship at Lübeck University of Music.

Yuko Hara, born in New York in 1987, studied at the Tokyo University of the Arts, Geneva Conservatory and The Music Academy in Basel. She has won prizes at the Lionel Tertis International Viola Competition as well as the Tokyo Music Competition. She has performed as soloist with the Japan Philharmonic Orchestra and has also performed with the NHK Symphony Orchestra in Tokyo, the Opera House Orchestra in Zurich (a member of the Orchestra Academy between 2012 and 2014) as well as performances on baroque viola with the Orchestra La Scintilla Zurich. She is a passionate chamber musician who performs regularly in string quartets and who won third prize at the International Osaka Chamber Music Competition. She has been viola player for the Ardeo Quartet in Paris since 2016.