======================== unified (from filesystem) ========================
                                         'bitrate'  '222.643'
                                        'duration'  '494'
                                          'artist'  'Big City Orchestra'
                                     'text_people'  ''
                                         'release'  'anguilliform'
                                           'title'  'eelgrass'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial', 'noise', 'avant garde', 'experimental', 'old school "
 "industrial']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '123.4'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'anguilliform'
'TBPM' (BPM (beats per minute))                     '123.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'eelgrass'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Big City Orchestra'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['industrial', 'noise', 'avant garde', 'experimental', 'old school industrial']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.466141'

========================== row from database ==========================
                                              'id'  919358
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Big City Orchestra/1996 - Beeg Ceety Orcheestra - Anguilliform (EE Tapes) [160-320kvbr]/a2_eelgrass-radial.mp3
                                         'working'  None
                                         'bitrate'  222
                                    'duration_sec'  494
                                           'genre'  electronic-experimental
                                        'filesize'  13765765
                                           'mtime'  1622801633
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1996 Beeg Ceety Orcheestra Anguilliform (EE Tapes) [160 320kvbr] a2_eelgrass radial electronic experimental
                                      'tag_artist'  Big City Orchestra
                                     'tag_release'  anguilliform
                                       'tag_title'  eelgrass
                                             'bpm'  123.4
                                    'search_title'  'eelgrass':1
                                   'search_artist'  'big':1 'city':2 'orchestra':3
                                  'search_release'  'anguilliform':1
                                     'search_rest'  '160':10,11 '1996':1 '320kvbr':12,13 'a2':14 'anguilliform':5 'beeg':2 'ceety':3 'ee':6,7 'eelgrass':15 'electronic':17 'experimental':18 'orcheestra':4 'radial':16 'tapes':8,9
                                    'search_combo'  '160':15,16 '1996':6 '320kvbr':17,18 'a2':19 'anguilliform':5C,10 'beeg':7 'big':2B 'ceety':8 'city':3B 'ee':11,12 'eelgrass':1A,20 'electronic':22 'experimental':23 'orcheestra':9 'orchestra':4B 'radial':21 'tapes':13,14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', '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-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'noise', 'avant garde', 'experimental', 'old school industrial']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622801632.885025  (2021-06-04 12:13:52)
                             'size'  13765765