Good example:
[2020-04-04 10:46:48,277] [Log    ] [MPMain   ] [INFO ] - BASS: Creating BASS audio stream
[2020-04-04 10:46:48,342] [Log    ] [MPMain   ] [INFO ] - BASS: Stream Information
[2020-04-04 10:46:48,343] [Log    ] [MPMain   ] [INFO ] - BASS: ---------------------------------------------
[2020-04-04 10:46:48,345] [Log    ] [MPMain   ] [INFO ] - BASS: File: D:\Audio\Musik\Alben\Ace Of Base\Flowers\03. Cruel Summer.flac
...
[2020-04-04 10:46:48,385] [Log    ] [MPMain   ] [DEBUG] - BASS: Successfully created BASS Mixer stream
[2020-04-04 10:46:48,394] [Log    ] [MPMain   ] [DEBUG] - BASS: Updating Dictionary for GCHandle for stream -2147483629
[2020-04-04 10:46:48,398] [Log    ] [MPMain   ] [INFO ] - BASS: playback started
...
[2020-04-04 10:47:31,508] [Log    ] [50       ] [DEBUG] - BASS: End of Song D:\Audio\Musik\Alben\Ace Of Base\Flowers\03. Cruel Summer.flac
[2020-04-04 10:47:31,511] [Log    ] [50       ] [DEBUG] - BASS: Reached end of playlist.
[2020-04-04 10:47:31,513] [Log    ] [50       ] [INFO ] - g_Player.OnStopped()
[2020-04-04 10:47:31,520] [Log    ] [50       ] [DEBUG] - GUIMusicPlayingNow: g_Player_PlayBackStopped for D:\Audio\Musik\Alben\Ace Of Base\Flowers\03. Cruel Summer.flac - stoptime: 214
[2020-04-04 10:47:31,529] [Log    ] [50       ] [INFO ] - RadioRecorded:OnPlayRecordingBackStopped Music D:\Audio\Musik\Alben\Ace Of Base\Flowers\03. Cruel Summer.flac
[2020-04-04 10:47:31,532] [Log    ] [50       ] [INFO ] - TvRecorded:OnPlayRecordingBackStopped Music D:\Audio\Musik\Alben\Ace Of Base\Flowers\03. Cruel Summer.flac
[2020-04-04 10:47:31,535] [Log    ] [MPMain   ] [DEBUG] - Windowmanager: Goto previous window
[2020-04-04 10:47:31,641] [Log    ] [BassCommand] [DEBUG] - BASS: Stop of stream D:\Audio\Musik\Alben\Ace Of Base\Flowers\03. Cruel Summer.flac.
[2020-04-04 10:47:31,645] [Log    ] [BassCommand] [DEBUG] - BASS: Free GCHandle for stream -2147483629
[2020-04-04 10:47:31,650] [Log    ] [BassCommand] [DEBUG] - BASS: Disposing Music Stream D:\Audio\Musik\Alben\Ace Of Base\Flowers\03. Cruel Summer.flac
[2020-04-04 10:47:31,653] [Log    ] [BassCommand] [DEBUG] - BASS: Disposing Mixer Stream
[2020-04-04 10:47:31,672] [Log    ] [MPMain   ] [INFO ] - g_Player.Process() player stopped...
[2020-04-04 10:47:31,675] [Log    ] [MPMain   ] [INFO ] - g_Player.OnEnded()
[2020-04-04 10:47:31,685] [Log    ] [MPMain   ] [DEBUG] - BASS: Already stopped. Don't execute Stop a second time

Bad example:
[2020-04-04 10:54:30,252] [Log    ] [MPMain   ] [INFO ] - BASS: Creating BASS audio stream
[2020-04-04 10:54:30,351] [Log    ] [MPMain   ] [INFO ] - BASS: Stream Information
[2020-04-04 10:54:30,353] [Log    ] [MPMain   ] [INFO ] - BASS: ---------------------------------------------
[2020-04-04 10:54:30,355] [Log    ] [MPMain   ] [INFO ] - BASS: File: D:\Audio\Musik\Alben\Barclay James Harvest\Time Honoured Ghosts\06. Song For You.mp3
...
[2020-04-04 10:54:30,395] [Log    ] [MPMain   ] [DEBUG] - BASS: Successfully created BASS Mixer stream
[2020-04-04 10:54:30,404] [Log    ] [MPMain   ] [DEBUG] - BASS: Updating Dictionary for GCHandle for stream -2147483629
[2020-04-04 10:54:30,408] [Log    ] [MPMain   ] [INFO ] - BASS: playback started
..
[2020-04-04 10:55:19,919] [Log    ] [52       ] [DEBUG] - BASS: Free GCHandle for stream -2147483629
[2020-04-04 10:55:19,926] [Log    ] [52       ] [DEBUG] - BASS: Disposing Music Stream D:\Audio\Musik\Alben\Barclay James Harvest\Time Honoured Ghosts\06. Song For You.mp3
...
[2020-04-04 10:55:25,839] [Error  ] [52       ] [ERROR] - BASS: GCHandle of Musicstream not found in Dictionary -2147483629 Der angegebene Schlüssel war nicht im Wörterbuch angegeben.