 Although the chorus and orchestra of Welsh National Opera have appeared on many commercial recordings , often featuring regular WNO soloists , there have been few sets , either audio or video , of the company 's own productions . Among those are Tristan und Isolde conducted by Goodall ( 1981 ) , Pelléas et Mélisande conducted by Boulez ( 1992 ) , The Yeomen of the Guard , conducted by Mackerras ( 1995 ) , The Doctor of Myddfai conducted by Armstrong ( 1998 ) , and Ariodante conducted by Ivor Bolton , directed by David Alden ( 1999 ) . The BBC made a studio video recording of a WNO cast in Katya Kabanova , conducted by Armstrong in 1982 . 
 Although the chorus and orchestra of Welsh National Opera <a href='been_done' title='1'><mark>have</mark></a> appeared on many commercial recordings , often featuring regular WNO soloists , <a href='dey_it' title='2'><mark>there</mark></a> have been few sets , either audio or video , of the company <a href='null_genetive' title='3'><mark>'s</mark></a>own productions . Among those are Tristan und Isolde conducted by Goodall ( 1981 ) , Pelléas et Mélisande conducted by Boulez ( 1992 ) , The Yeomen of the Guard , conducted by Mackerras ( 1995 ) , The Doctor of Myddfai conducted by Armstrong ( 1998 ) , and Ariodante conducted by Ivor Bolton , directed by David Alden ( 1999 ) . The BBC made a studio video recording of a WNO cast in Katya Kabanova , conducted by Armstrong in 1982 . 
Although da chorus and orchestra of Welsh National Opera done appeared on many commercial recordings , often featuring regular WNO soloists , it have been few sets , either audio or video , of tdacompany  own productions . Among those r Tristan und Isolde conducted by Goodall ( 1981 ) , Pelléas et Mélisande conducted by Boulez ( 1992 ) , The Yeomen of thdauard , conducted by Mackerras ( 1995 ) , The Doctor of Myddfai conducted by Armstrong ( 1998 ) , and Ariodante conducted by Ivor Bolton , directed by David Alden ( 1999 ) . The BBC made a studio video recording of a WNO cast in Katya Kabanova , conducted by Armstrong in 1982 .