======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '203'
                                          'artist'  'Lucille Bogan'
                                     'text_people'  'Traditional'
                                         'release'  'Music for Maniacs'
                                           'title'  "Shave 'em Dry (FCC)"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', "
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 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['american', 'blues', 'jazz', 'female vocalists', '1920s']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '130.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '130.9'
'TCOM' (Composer)                                   'Traditional'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'iTunes v4.5'
'TIT2' (Title/songname/content description)         "Shave 'em Dry (FCC)"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lucille Bogan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Columbia/Legacy'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['american', 'blues', 'jazz', 'female vocalists', '1920s']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.35 dB'
'TXXX:replaygain_track_peak'                        '0.299728'

========================== row from database ==========================
                                              'id'  649332
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Lucille_Bogan_-_Shave_em_Dry_FCC.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  203
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4882956
                                           'mtime'  1636916363
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs Lucille_Bogan_ _Shave_em_Dry_FCC electronic experimental oddness
                                      'tag_artist'  Lucille Bogan
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Shave 'em Dry (FCC)
                                             'bpm'  130.9
                                    'search_title'  'dry':4 'em':2,3 'fcc':5,6 'shave':1
                                   'search_artist'  'bogan':2 'lucille':1
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'bogan':4 'dry':7 'electronic':9 'em':6 'experimental':10 'fcc':8 'lucille':3 'maniacs':2 'music':1 'oddness':11 'shave':5
                                    'search_combo'  'bogan':8B,15 'dry':4A,18 'electronic':20 'em':2A,3A,17 'experimental':21 'fcc':5A,6A,19 'for':10C 'lucille':7B,14 'maniacs':11C,13 'music':9C,12 'oddness':22 'shave':1A,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['american', 'blues', 'jazz', 'female vocalists', '1920s']
                                        'tag_date'  2000
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1636916363.0466912  (2021-11-14 19:59:23)
                             'size'  4882956