In the terminal, enter: aplay -l. to view a list of all available sound cards. In Rosegarden go to the "Settings" menu, and select "Manage ... ... <看更多>

In case you read Chinese (以中文阅读） 使得 Rosegarden 和Qsynthesizer的声音运作 ... Launch Qsynth before Rosegarden To fix the No Sound issue, ... ... <看更多>

without sound support?" So it seems to me, that something is wrong with the NixOS package of Rosegarden. Because of #76639 I have rosegarden ... ... <看更多>