======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '131'
                                          'artist'  'Orbital'
                                     'text_people'  ''
                                         'release'  'brown album'
                                           'title'  'input out'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'idm', 'techno', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '138.417'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000002CA 0000019B 00000BDA'
'COMM:iTunNORM:eng'                                 (' 000002CA 0000019B 00000BDA 00000668 000186CE 00004E65 000043DD 00002D86 '
 '000186CE 000111B5')
'TALB' (Album/Movie/Show title)                     'brown album'
'TBPM' (BPM (beats per minute))                     '138.417'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'input out'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Orbital'
'TRCK' (Track number/Position in set)               '10'
'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'                                   ['electronica', 'idm', 'techno', 'electronic', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.79 dB'
'TXXX:replaygain_track_peak'                        '0.786648'

========================== row from database ==========================
                                              'id'  1340937
                                            'path'  /data/Music/Bulk/00poprockelectronic/Orbital/Brown Album/10-input out.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  131
                                           'genre'  electronic
                                        'filesize'  2642413
                                           'mtime'  1636914243
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Brown Album 10 electronic
                                      'tag_artist'  Orbital
                                     'tag_release'  brown album
                                       'tag_title'  input out
                                             'bpm'  138.417
                                    'search_title'  'input':1 'out':2
                                   'search_artist'  'orbital':1
                                  'search_release'  'album':2 'brown':1
                                     'search_rest'  '00poprockelectronic':1 'album':3 'brown':2 'electronic':4
                                    'search_combo'  '00poprockelectronic':6 'album':5C,8 'brown':4C,7 'electronic':9 'input':1A 'orbital':3B 'out':2A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  11A
                                           '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-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'techno', 'electronic', 'ambient']
                                        'tag_date'  1992
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636914243.1257064  (2021-11-14 19:24:03)
                             'size'  2642413