======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '174'
                                          'artist'  'Terabyte Frenzy'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Harry Potter (Dubstep Remix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['frenzy', 'remix', 'electro', 'dubstep', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '1'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '107.322'
                                             'key'  '9A'
                                        'acoustid'  '55c49845-8c80-4ade-8bc1-25dbbf9437a0'
rest: ''

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

'TBPM' (BPM (beats per minute))                     '107.322'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Harry Potter (Dubstep Remix)'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Terabyte Frenzy'
'TPE2' (Band/orchestra/accompaniment)               'Terabyte Frenzy'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/1'
'TSO2'                                              'Terabyte Frenzy'
'TSOP' (Performer sort order)                       'Terabyte Frenzy'
'TXXX:Acoustid Id'                                  '55c49845-8c80-4ade-8bc1-25dbbf9437a0'
'TXXX:Artists'                                      'Terabyte Frenzy'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['frenzy', 'remix', 'electro', 'dubstep', 'electronic']
'TXXX:originalyear'                                 '2010'
'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'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.27 dB'
'TXXX:replaygain_track_peak'                        '0.469927'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'39877898-aea0-48e1-8527-b57cf8e3672d')

========================== row from database ==========================
                                              'id'  1300807
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Harry Potter & The Halfdub Remix.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  174
                                           'genre'  electronic-unsorted
                                        'filesize'  6980931
                                           'mtime'  1620572826
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] & The Halfdub electronic unsorted
                                      'tag_artist'  Terabyte Frenzy
                                     'tag_release'  None
                                       'tag_title'  Harry Potter (Dubstep Remix)
                                             'bpm'  107.322
                                    'search_title'  'dubstep':3,4 'harry':1 'potter':2 'remix':5,6
                                   'search_artist'  'frenzy':2 'terabyte':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'files':5,6 'halfdub':8 'loose':3,4 'the':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'dubstep':3A,4A 'electronic':17 'files':13,14 'frenzy':8B 'halfdub':16 'harry':1A 'loose':11,12 'potter':2A 'remix':5A,6A 'terabyte':7B 'the':15 'unsorted':10
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           '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-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['frenzy', 'remix', 'electro', 'dubstep', 'electronic']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572826.2668958  (2021-05-09 17:07:06)
                             'size'  6980931