$a Koncertnaâ fantaziâ : na temy opery "Rigoletto" : dlâ klarneta i fortepiano / Verdi-Bassi. - Moskva, 1963.
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$a LCA online $b (Bassi, Luigi; 1833-1871; Italian clarinetist; first chair at the Scala Theatre, Milan; best known as the composer of the popular "Rigoletto fantasia.")
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$a en.wikipedia, 10.02.2015 $b (Luigi Bassi (1833-1871) was an Italian composer and clarinetist.) $u http://en.wikipedia.org/wiki/Luigi_Bassi_%28clarinetist%29