======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '163'
                                          'artist'  'OneSideZero'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'New World Order'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['alternative rock', 'alternative metal', 'metal', 'rock', 'hard rock', 'nu "
 "metal']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '18'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '107'
                                             'key'  '6A'
                                        'acoustid'  '783b9458-37c4-4b95-92f0-71ce4e1dae2b'
rest: ''

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

'TBPM' (BPM (beats per minute))                     '107'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'New World Order'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'OneSideZero'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '4/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'OneSideZero'
'TXXX:Acoustid Id'                                  '783b9458-37c4-4b95-92f0-71ce4e1dae2b'
'TXXX:Artists'                                      'OneSideZero'
'TXXX:Mp3gain_minmax'                               '000,192'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['alternative rock',
 'alternative metal',
 'metal',
 'rock',
 'hard rock',
 'nu metal']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.47 dB'
'TXXX:replaygain_track_peak'                        '0.437003'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4e545e59-6f1e-4194-84fc-79662cb84aa0')

========================== row from database ==========================
                                              'id'  1320896
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/alt-One Side Zero - New World Order(1).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  163
                                           'genre'  eid-unsorted
                                        'filesize'  2619967
                                           'mtime'  1620521494
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] alt Order(1) eid unsorted
                                      'tag_artist'  OneSideZero
                                     'tag_release'  None
                                       'tag_title'  New World Order
                                             'bpm'  107.0
                                    'search_title'  'new':1 'order':3 'world':2
                                   'search_artist'  'one':2 'onesidezero':1 'side':3 'zero':4
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1':9 'alt':7 'eid':11 'files':5,6 'loose':3,4 'order':8 'order1':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 '1':16 'alt':14 'eid':18 'files':12,13 'loose':10,11 'new':1A 'one':5B 'onesidezero':4B 'order':3A,15 'order1':17 'side':6B 'unsorted':9 'world':2A 'zero':7B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative metal', 'metal', 'rock', 'hard rock', 'nu metal']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521493.5293293  (2021-05-09 02:51:33)
                             'size'  2619967