======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '333'
                                          'artist'  'Dark Sky'
                                     'text_people'  ''
                                         'release'  'Frames EP (PICT001)'
                                           'title'  'Fly'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['wonky', 'future garage', 'uk garage', 'dubstep', 'hard rock', 'electronic']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '140.0'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000005AD 00000620 00004709 00004CBC 00022364 00022364 00008000 00008000 '
 '0000C65E 00006B1E')
'TALB' (Album/Movie/Show title)                     'Frames EP (PICT001)'
'TBPM' (BPM (beats per minute))                     '140.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'LAME'
'TIT2' (Title/songname/content description)         'Fly'
'TKEY' (Initial key)                                '3A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Dark Sky'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['wonky', 'future garage', 'uk garage', 'dubstep', 'hard rock', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.31 dB'
'TXXX:replaygain_track_peak'                        '0.440370'

========================== row from database ==========================
                                              'id'  1372904
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Dark Sky - Frames EP (PICT001)/04 Fly.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  333
                                           'genre'  electronic
                                        'filesize'  13351879
                                           'mtime'  1636913109
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 04 electronic
                                      'tag_artist'  Dark Sky
                                     'tag_release'  Frames EP (PICT001)
                                       'tag_title'  Fly
                                             'bpm'  140.0
                                    'search_title'  'fly':1
                                   'search_artist'  'dark':1 'sky':2
                                  'search_release'  'ep':2 'frames':1 'pict001':3,4
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':3
                                    'search_combo'  '00calmer':9 '00poprockelectronic':8 'dark':2B 'electronic':10 'ep':5C 'fly':1A 'frames':4C 'pict001':6C,7C 'sky':3B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['wonky', 'future garage', 'uk garage', 'dubstep', 'hard rock', 'electronic']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636913108.5485551  (2021-11-14 19:05:08)
                             'size'  13351879