======================== unified (from filesystem) ========================
                                         'bitrate'  '134.219'
                                        'duration'  '208'
                                          'artist'  'Horst Ackermann/Heribert Thusek'
                                     'text_people'  ''
                                         'release'  'Disposable Music Sampler Volume 1'
                                           'title'  'Science Fiction #2'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
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 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '113.3'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Disposable Music Sampler Volume 1'
'TBPM' (BPM (beats per minute))                     '113.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Science Fiction #2'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Horst Ackermann/Heribert Thusek'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.87 dB'
'TXXX:replaygain_track_peak'                        '0.507589'

========================== row from database ==========================
                                              'id'  1373209
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Crime Sound Orchestra - 2009 Disposable Music Sampler Volume 1 (dim001cd)/17 Horst Ackermann-Heribert Thusek - Science Fiction #2.mp3
                                         'working'  None
                                         'bitrate'  134
                                    'duration_sec'  208
                                           'genre'  electronic-unsorted
                                        'filesize'  3507162
                                           'mtime'  1622659696
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm The Crime Sound Orchestra 2009 (dim001cd) 17 electronic unsorted
                                      'tag_artist'  Horst Ackermann/Heribert Thusek
                                     'tag_release'  Disposable Music Sampler Volume 1
                                       'tag_title'  Science Fiction #2
                                             'bpm'  113.3
                                    'search_title'  '2':3,4 'fiction':2 'science':1
                                   'search_artist'  'ackermann':2 'ackermannheribert':4 'heribert':3 'horst':1 'thusek':5
                                  'search_release'  '1':5 'disposable':1 'music':2 'sampler':3 'volume':4
                                     'search_rest'  '2009':5 'crime':2 'dim001cd':6,7 'electronic':8 'orchestra':4 'sound':3 'the':1 'unsorted':9
                                    'search_combo'  '1':14C '2':3A,4A '2009':19 'ackermann':6B 'ackermannheribert':8B 'crime':16 'dim001cd':20,21 'disposable':10C 'electronic':22 'fiction':2A 'heribert':7B 'horst':5B 'music':11C 'orchestra':18 'sampler':12C 'science':1A 'sound':17 'the':15 'thusek':9B 'unsorted':23 'volume':13C
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659695.8192585  (2021-06-02 20:48:15)
                             'size'  3507162