======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '132'
                                          'artist'  'Electric Company'
                                     'text_people'  ''
                                         'release'  'Epitonic Abstract'
                                           'title'  'Something Akin To Living'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['idm', 'electronic', 'planet mu', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '88.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Epitonic Abstract'
'TBPM' (BPM (beats per minute))                     '88.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Something Akin To Living'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Electric Company'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['idm', 'electronic', 'planet mu', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.535205'

========================== row from database ==========================
                                              'id'  985880
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Epitonic abstract/Electric Company-Something Akin To Living.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  132
                                           'genre'  electronic
                                        'filesize'  2117504
                                           'mtime'  1636912437
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm abstract electronic
                                      'tag_artist'  Electric Company
                                     'tag_release'  Epitonic Abstract
                                       'tag_title'  Something Akin To Living
                                             'bpm'  88.1
                                    'search_title'  'akin':2 'living':4 'something':1 'to':3
                                   'search_artist'  'company':2 'electric':1
                                  'search_release'  'abstract':2 'epitonic':1
                                     'search_rest'  'abstract':1 'electronic':2
                                    'search_combo'  'abstract':8C,9 'akin':2A 'company':6B 'electric':5B 'electronic':10 'epitonic':7C 'living':4A 'something':1A 'to':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'electronic', 'planet mu', 'experimental', 'ambient']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912436.7387905  (2021-11-14 18:53:56)
                             'size'  2117504