======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '261'
                                          'artist'  'Radiohead'
                                     'text_people'  ''
                                         'release'  'OK Computer (Deluxe Edition) 2009'
                                           'title'  'Karma Police'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'electronic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;ifs-songwriter-indie-rock'
                                             'bpm'  '146.000'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'OK Computer (Deluxe Edition) 2009'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'ifs-songwriter-indie-rock']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Karma Police'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Radiohead'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'electronic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.43 dB'
'TXXX:replaygain_track_peak'                        '0.460784'

========================== row from database ==========================
                                              'id'  1300885
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/073 - Radiohead - Karma Police.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  261
                                           'genre'  electronic-generic or radio-unsorted;ifs-songwriter-indie-rock
                                        'filesize'  10469376
                                           'mtime'  1642256339
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 073 electronic generic or radio unsorted;ifs songwriter indie rock
                                      'tag_artist'  Radiohead
                                     'tag_release'  OK Computer (Deluxe Edition) 2009
                                       'tag_title'  Karma Police
                                             'bpm'  146.0
                                    'search_title'  'karma':1 'police':2
                                   'search_artist'  'radiohead':1
                                  'search_release'  '2009':7 'computer':2 'deluxe':3,4 'edition':5,6 'ok':1
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'electronic':3 'generic':4 'ifs':8,10 'indie':12 'or':5 'radio':6 'rock':13 'songwriter':11 'unsorted':7,9
                                    'search_combo'  '00poprockelectronic':11 '2009':10C '90s':12 'computer':5C 'deluxe':6C,7C 'edition':8C,9C 'electronic':13 'generic':14 'ifs':18,20 'indie':22 'karma':1A 'ok':4C 'or':15 'police':2A 'radio':16 'radiohead':3B 'rock':23 'songwriter':21 'unsorted':17,19
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'electronic', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256338.9868743  (2022-01-15 15:18:58)
                             'size'  10469376