======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '456'
                                          'artist'  'Amatorski'
                                     'text_people'  ''
                                         'release'  'TBC'
                                           'title'  '8 November'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'ambient', 'trip hop', 'slowcore', 'belgian']"
                                     'discogstags'  "['electronic', 'jazz', 'pop', 'abstract']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '96.622'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'TBC'
'TBPM' (BPM (beats per minute))                     '96.622'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         '8 November'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Amatorski'
'TPE2' (Band/orchestra/accompaniment)               'Amatorski'
'TRCK' (Track number/Position in set)               '6'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf52.54.0'
'TXXX:AverageLevel'                                 '805'
'TXXX:IsVBR'                                        '0'
'TXXX:PeakValue'                                    '316'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:WM/EncodingTime'                              '1844674'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/UniqueFileIdentifier'                      ';'
'TXXX:WM/Year'                                      '2011'
'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
'TXXX:WMFSDKVersion'                                '11.0.6000.6351'
'TXXX:album  '                                      'TBC'
'TXXX:discogstags'                                  ['electronic', 'jazz', 'pop', 'abstract']
'TXXX:lastfmtags'                                   ['alternative', 'ambient', 'trip hop', 'slowcore', 'belgian']
'TXXX:original release date'                        ['2011', '2012']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.63 dB'
'TXXX:replaygain_track_peak'                        '0.375881'

========================== row from database ==========================
                                              'id'  1332853
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Amatorski/2011 - amatorski - tbc/06 8 November.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  456
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  18271788
                                           'mtime'  1636910241
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 2011 amatorski tbc 06 electronic trip hop downtempo acid jazz
                                      'tag_artist'  Amatorski
                                     'tag_release'  TBC
                                       'tag_title'  8 November
                                             'bpm'  96.622
                                    'search_title'  '8':1 'november':2
                                   'search_artist'  'amatorski':1
                                  'search_release'  'tbc':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '2011':3 'acid':10 'amatorski':4 'downtempo':9 'electronic':6 'hop':8 'jazz':11 'tbc':5 'trip':7
                                    'search_combo'  '00poprockelectronic':5 '00trip':6 '2011':7 '8':1A 'acid':14 'amatorski':3B,8 'downtempo':13 'electronic':10 'hop':12 'jazz':15 'november':2A 'tbc':4C,9 'trip':11
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'ambient', 'trip hop', 'slowcore', 'belgian']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic', 'jazz', 'pop', 'abstract']

============================== file details ==============================
                                           'mtime'  1636910241.00499  (2021-11-14 18:17:21)
                             'size'  18271788