======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '126'
                                          'artist'  'Downliners Sekt'
                                     'text_people'  ''
                                         'release'  'The Saltire Wave'
                                           'title'  '1106 Etoile'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'downtempo', 'trip hop', 'post rock', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '132.966'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000004E 00000056 0000039C 000003CF 00007C97 00011C97 00001F34 00001E0C '
 '00010B8D 0000AB1F')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008D6 0000000000551F9A 00000000 004D1EDC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'The Saltire Wave'
'TBPM' (BPM (beats per minute))                     '132.966'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes v7.6'
'TIT2' (Title/songname/content description)         '1106 Etoile'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Downliners Sekt'
'TRCK' (Track number/Position in set)               '12'
'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'                                   ['electronic', 'downtempo', 'trip hop', 'post rock', 'experimental']
'TXXX:q-bass'                                       '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-2.08 dB'
'TXXX:replaygain_track_peak'                        '0.579777'

========================== row from database ==========================
                                              'id'  1311994
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Downliners Sekt/The Saltire Wave/12 1106 Etoile.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  126
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5304763
                                           'mtime'  1636910444
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 12 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Downliners Sekt
                                     'tag_release'  The Saltire Wave
                                       'tag_title'  1106 Etoile
                                             'bpm'  132.966
                                    'search_title'  '1106':1 'etoile':2
                                   'search_artist'  'downliners':1 'sekt':2
                                  'search_release'  'saltire':2 'the':1 'wave':3
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':8 'downtempo':7 'electronic':3 'hop':5 'jazz':9 'or':6 'trip':4
                                    'search_combo'  '00poprockelectronic':8 '00trip':9 '1106':1A 'acid':15 'downliners':3B 'downtempo':14 'electronic':10 'etoile':2A 'hop':12 'jazz':16 'or':13 'saltire':6C 'sekt':4B 'the':5C 'trip':11 'wave':7C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'downtempo', 'trip hop', 'post rock', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910444.0841024  (2021-11-14 18:20:44)
                             'size'  5304763