Alda uses timbre for logging. Every note event, attribute change, etc. is logged at the DEBUG level, which can be useful for debugging purposes.
The default logging level is WARN, so by default, you will not see these debug-level logs; you will only see warnings and errors.
To override this setting (e.g. for development and debugging), you can set the
TIMBRE_LEVEL environment variable.
To see debug logs, for example, you can do this:
When running tests via
boot test, the log level will default to
TIMBRE_LEVEL is set to something else.