And although the total volume of work during his lifetime is staggering , only a small amount was intended for performance .
Engelmann wrote under the pseudonyms Heinrich Engel , Charles Lindsay and Pierre Renard , as well as his own name , a popular practice among musicians .
Although the total volume of work during his lifetime is staggering , only a small amount was intended for performance .
Engelmann wrote under the pseudonyms Heinrich Engel , Charles Lindsay and Pierre Renard , as well as his own name , a popular practice among musicians .