[PAR] [TLE] Pyotr Ilyich Tchaikovsky [SEP] Pyotr Ilyich Tchaikovsky ( ; Russian: Пётр Ильи́ч Чайко́вский ; 25 April/7 May 1840 – 25 October/6 November 1893), often anglicized as Peter Ilich Tchaikovsky, was a Russian composer of the romantic period, some of whose works are among the most popular music in the classical repertoire.  He was the first Russian composer whose music made a lasting impression internationally, bolstered by his appearances as a guest conductor in Europe and the United States.  Tchaikovsky was honored in 1884, by Emperor Alexander III, and awarded a lifetime pension. [PAR] [TLE] Adolf Čech [SEP] Adolf Čech (11 December 184127 December 1903) was a Czech conductor, who premiered a number of significant works by Antonín Dvořák (the 2nd, 5th and 6th symphonies, more than any other conductor; other important orchestral works, four operas, the "Stabat Mater"), Bedřich Smetana ("Má vlast", five operas), Zdeněk Fibich (two operas) and other Czech composers.  He also led the first performances outside Russia of two operas by Pyotr Ilyich Tchaikovsky and the Czech premieres of seven operettas by Jacques Offenbach.  He was also a bass singer and a translator of opera librettos.
[PAR] [TLE] Pyotr Ilyich Tchaikovsky [ SEP ] Pyotr Ilyich Tchaikovsky ( ; Russian : Пётр Ильи́ч Чайко́вский ; 25 April/7 May 1840 – 25 October/6 November 1893 ) , often anglicized as Peter Ilich Tchaikovsky , was a Russian composer of the romantic period , some of whose works are among the most popular music in the classical repertoire . He was the first Russian composer whose music made a lasting impression internationally , bolstered by his appearances as a guest conductor in Europe and the United States . Tchaikovsky was honored in 1884 , by Emperor Alexander III , and awarded a lifetime pension . [PAR] [TLE] Adolf Čech [ SEP ] Adolf Čech ( 11 December 184127 December 1903 ) was a Czech conductor , who premiered a number of significant works by Antonín Dvořák ( the 2nd , 5th and 6th symphonies , more than any other conductor ; other important orchestral works , four operas , the " Stabat Mater " ) , Bedřich Smetana ( " Má vlast " , five operas ) , Zdeněk Fibich ( two operas ) and other Czech composers . He also led the first performances outside Russia of two operas by Pyotr Ilyich Tchaikovsky and the Czech premieres of seven operettas by Jacques Offenbach . He was also a bass singer and a translator of opera librettos .
Adolf Čech led performances of operas by a composer who was active during what period?
Adolf Čech led performances of operas by a composer who was active during what period ?
romantic
romantic