======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '141'
                                          'artist'  'Sir Richard Bishop'
                                     'text_people'  ''
                                         'release'  'Vault, Volume III'
                                           'title'  'Deep End'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-3', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-3', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'guitar', 'experimental', 'folk', 'acoustic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '14'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic;mi-guitar'
                                             'bpm'  '128.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000063 00000046 0000045C 000002EB 00018D0A 0000DDBC 000044C1 00004206 '
 '0000DE0A 00018D8D')
'COMM:iTunPGAP:eng'                                 '1'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000864 00000000005EE60C 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'BB09470E+178327+14+150+9863+21188+32198+42269+53912+64489+77084+87413+97186+123201+132973+145121+153643'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '6'
'TALB' (Album/Movie/Show title)                     'Vault, Volume III'
'TBPM' (BPM (beats per minute))                     '128.7'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'mi-guitar']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.4.2'
'TIT2' (Title/songname/content description)         'Deep End'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sir Richard Bishop'
'TPE2' (Band/orchestra/accompaniment)               'Sir Richard Bishop'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'guitar', 'experimental', 'folk', 'acoustic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.903016'

========================== row from database ==========================
                                              'id'  1366897
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Sir Richard Bishop - Vault, Volume III [2006]/06 - Deep End.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  141
                                           'genre'  electronic;mi-guitar
                                        'filesize'  3396909
                                           'mtime'  1636913387
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer [2006] 06 electronic;mi guitar
                                      'tag_artist'  Sir Richard Bishop
                                     'tag_release'  Vault, Volume III
                                       'tag_title'  Deep End
                                             'bpm'  128.7
                                    'search_title'  'deep':1 'end':2
                                   'search_artist'  'bishop':3 'richard':2 'sir':1
                                  'search_release'  'iii':4 'vault':1,2 'volume':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2006':3,4 'electronic':5,7 'guitar':9 'mi':6,8
                                    'search_combo'  '00calmer':11 '00poprockelectronic':10 '2006':12,13 'bishop':5B 'deep':1A 'electronic':14,16 'end':2A 'guitar':18 'iii':9C 'mi':15,17 'richard':4B 'sir':3B 'vault':6C,7C 'volume':8C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['instrumental', 'guitar', 'experimental', 'folk', 'acoustic']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913387.2385437  (2021-11-14 19:09:47)
                             'size'  3396909