======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '427'
                                          'artist'  'Orbital'
                                     'text_people'  ''
                                         'release'  'brown album'
                                           'title'  'monday'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'idm', 'techno', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '121.994'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000041D 000003B5 000017A4'
'COMM:iTunNORM:eng'                                 (' 0000041D 000003B5 000017A4 0000179B 0002BF4E 00057E85 00008000 00008000 '
 '00041EDE 00024A07')
'TALB' (Album/Movie/Show title)                     'brown album'
'TBPM' (BPM (beats per minute))                     '121.994'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'monday'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Orbital'
'TRCK' (Track number/Position in set)               '8'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.00 dB'
'TXXX:replaygain_track_peak'                        '0.657815'

========================== row from database ==========================
                                              'id'  1286014
                                            'path'  /data/Music/Bulk/00poprockelectronic/Orbital/Brown Album/08-monday.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  427
                                           'genre'  electronic
                                        'filesize'  8552969
                                           'mtime'  1636914242
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Brown Album 08 electronic
                                      'tag_artist'  Orbital
                                     'tag_release'  brown album
                                       'tag_title'  monday
                                             'bpm'  121.994
                                    'search_title'  'monday':1
                                   'search_artist'  'orbital':1
                                  'search_release'  'album':2 'brown':1
                                     'search_rest'  '00poprockelectronic':1 'album':3 'brown':2 'electronic':4
                                    'search_combo'  '00poprockelectronic':5 'album':4C,7 'brown':3C,6 'electronic':8 'monday':1A 'orbital':2B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'techno', 'electronic', 'ambient']
                                        'tag_date'  1992
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636914242.0119908  (2021-11-14 19:24:02)
                             'size'  8552969