======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '179'
                                          'artist'  'Laurie Anderson'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Example #22'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  ("['electronic', 'female vocalists', 'avant garde', 'spoken word', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '9'
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '94'
                                             'key'  '8B'
                                        'acoustid'  '351e55cb-fcb2-4e6c-92ed-9f547b2a7557'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '94'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '1982'
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         'Example #22'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Laurie Anderson'
'TPE2' (Band/orchestra/accompaniment)               'Laurie Anderson'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '7/9'
'TSO2'                                              'Anderson, Laurie'
'TSOP' (Performer sort order)                       'Anderson, Laurie'
'TSRC' (ISRC (international standard recording code))  'USNO10750555'
'TXXX:Acoustid Id'                                  '351e55cb-fcb2-4e6c-92ed-9f547b2a7557'
'TXXX:Artists'                                      'Laurie Anderson'
'TXXX:CATALOGNUMBER'                                'WB K 57 002 (BSK 3674)'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronic', 'female vocalists', 'avant garde', 'spoken word', 'experimental']
'TXXX:originalyear'                                 '1982'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.666957'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c6df0e8d-74e6-4b91-a5a5-859e747c63e3')

========================== row from database ==========================
                                              'id'  1350189
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/07 - example #22.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  179
                                           'genre'  electronic-unsorted
                                        'filesize'  4359439
                                           'mtime'  1620572592
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 07 example electronic unsorted
                                      'tag_artist'  Laurie Anderson
                                     'tag_release'  None
                                       'tag_title'  Example #22
                                             'bpm'  94.0
                                    'search_title'  '22':2,3 'example':1
                                   'search_artist'  'anderson':2 'laurie':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':8 'example':7 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 '22':2A,3A 'anderson':5B 'electronic':13 'example':1A,12 'files':10,11 'laurie':4B 'loose':8,9 'unsorted':7
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'female vocalists', 'avant garde', 'spoken word', 'experimental']
                                        'tag_date'  1982
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572592.1062155  (2021-05-09 17:03:12)
                             'size'  4359439