Listen to Beethoven: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica" - 2. Marcia funebre. Adagio assai online. Beethoven: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica" - 2. Marcia funebre. Adagio assai is an Unknown language song and is sung by Berliner Philharmoniker and Paul van Kempen. Beethoven: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica" - 2. Marcia funebre. Adagio assai, from the album Orchestral Beethoven, was released in the year 2020. The duration of the song is 15:18. Download Unknown songs online from JioSaavn.