======================== unified (from filesystem) ========================
                                         'bitrate'  '285.358'
                                        'duration'  '196'
                                          'artist'  'AFX'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'serge fenix Rendered 2'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '8'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;electronic;electronic-experimental'
                                             'bpm'  '143'
                                             'key'  '6B'
                                        'acoustid'  '8bc74dbe-e61a-47bf-a07d-4f7ba4aac5bb'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '143'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted',
 'electronic-unsorted',
 'electronic',
 'electronic-experimental']
'TDOR' (Original release time)                      '2015'
'TDRC' (Recording time)                             '2015-08-21'
'TIT2' (Title/songname/content description)         'serge fenix Rendered 2'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'AFX'
'TPE2' (Band/orchestra/accompaniment)               'AFX'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warp'
'TRCK' (Track number/Position in set)               '1/8'
'TSO2'                                              'AFX'
'TSOP' (Performer sort order)                       'AFX'
'TXXX:Acoustid Id'                                  '8bc74dbe-e61a-47bf-a07d-4f7ba4aac5bb'
'TXXX:Artists'                                      'AFX'
'TXXX:BARCODE'                                      '801061938413'
'TXXX:CATALOGNUMBER'                                'WAP384'
'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'                                   ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
'TXXX:originalyear'                                 '2015'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.13 dB'
'TXXX:replaygain_track_peak'                        '0.370964'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'feb13ebc-41df-4047-854d-ff028dc02e78')

========================== row from database ==========================
                                              'id'  1390440
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01_serge fenix Rendered 2.mp3
                                         'working'  None
                                         'bitrate'  285
                                    'duration_sec'  196
                                           'genre'  electronic-unsorted;electronic;electronic-experimental
                                        'filesize'  7093448
                                           'mtime'  1636914479
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01_serge electronic unsorted;electronic;electronic experimental
                                      'tag_artist'  AFX
                                     'tag_release'  None
                                       'tag_title'  serge fenix Rendered 2
                                             'bpm'  143.0
                                    'search_title'  '2':4 'fenix':2 'rendered':3 'serge':1
                                   'search_artist'  'afx':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '01':7 'electronic':9,11,12,14,15 'experimental':16 'files':5,6 'loose':3,4 'serge':8 'unsorted':2,10,13
                                    'search_combo'  '00poprockelectronic':6 '01':12 '2':4A 'afx':5B 'electronic':14,16,17,19,20 'experimental':21 'fenix':2A 'files':10,11 'loose':8,9 'rendered':3A 'serge':1A,13 'unsorted':7,15,18
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914478.674489  (2021-11-14 19:27:58)
                             'size'  7093448