======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '355'
                                          'artist'  'Marin Marais'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'A Representatives Visit'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['viola da gamba', 'classical', 'french', 'baroque', 'early music']"
                                     'discogstags'  "['classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '108.8'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '108.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'A Representatives Visit'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marin Marais'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  'classical'
'TXXX:lastfmtags'                                   ['viola da gamba', 'classical', 'french', 'baroque', 'early music']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.60 dB'
'TXXX:replaygain_track_peak'                        '0.995949'

========================== row from database ==========================
                                              'id'  648285
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/097_2_Marin_Marais_-_A_Representatives_Visit.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  355
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  8529413
                                           'mtime'  1621629046
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs 097_2_Marin_Marais_ _A_Representatives_Visit electronic experimental oddness
                                      'tag_artist'  Marin Marais
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  A Representatives Visit
                                             'bpm'  108.8
                                    'search_title'  'a':1 'representatives':2 'visit':3
                                   'search_artist'  'marais':2 'marin':1
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  '097':3 '2':4 'a':7 'electronic':10 'experimental':11 'maniacs':2 'marais':6 'marin':5 'music':1 'oddness':12 'representatives':8 'visit':9
                                    'search_combo'  '097':11 '2':12 'a':1A,15 'electronic':18 'experimental':19 'for':7C 'maniacs':8C,10 'marais':5B,14 'marin':4B,13 'music':6C,9 'oddness':20 'representatives':2A,16 'visit':3A,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['viola da gamba', 'classical', 'french', 'baroque', 'early music']
                                        'tag_date'  2010
                                     'discogstags'  ['classical']

============================== file details ==============================
                                           'mtime'  1621629045.6410284  (2021-05-21 22:30:45)
                             'size'  8529413