======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '40'
                                          'artist'  'John Baker'
                                     'text_people'  ''
                                         'release'  'The John Baker Tapes, Volume 1'
                                           'title'  'PM - Computers in Business'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-UNU-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']"
                                     'discogstags'  "['soundtrack', 'electronic', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  '49'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'soundtrack-library;electronic-experimental-early'
                                             'bpm'  '119.7'
                                             'key'  '10B'
                                        'acoustid'  'fd8cf3a2-7498-4ec2-88bb-c3b7a6cdd18b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000074C 00000881 00005844 00006794 000089C1 000089C1 00005914 00005DFF '
 '00006EEB 00006EEB')
'COMM:iTunPGAP:eng'                                 '1/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007EC 00000000001AF184 00000000 001858A8 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '49+D1D3F33CCD6349DC4916A07581B2235A+11217159'
'TALB' (Album/Movie/Show title)                     'The John Baker Tapes, Volume 1'
'TBPM' (BPM (beats per minute))                     '119.7'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-library', 'electronic-experimental-early']
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes v7.7.0.43'
'TIT2' (Title/songname/content description)         'PM - Computers in Business'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'John Baker'
'TPE2' (Band/orchestra/accompaniment)               'John Baker'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Trunk Records'
'TRCK' (Track number/Position in set)               '26/49'
'TSO2'                                              'Baker, John'
'TSOP' (Performer sort order)                       'Baker, John'
'TXXX:Acoustid Id'                                  'fd8cf3a2-7498-4ec2-88bb-c3b7a6cdd18b'
'TXXX:CATALOGNUMBER'                                'JBH028CD'
'TXXX:MusicBrainz Album Artist Id'                  '289bc717-753b-487d-a266-8fd8c247f27f'
'TXXX:MusicBrainz Album Id'                         '1d94c6a8-9314-42e7-a105-f6b09453a22f'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '289bc717-753b-487d-a266-8fd8c247f27f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['soundtrack', 'electronic', 'stage & screen']
'TXXX:lastfmtags'                                   ['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.435853'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1d955478-f1af-4391-a848-7d394e4016bf')

========================== row from database ==========================
                                              'id'  762052
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The John Baker Tapes Volume 1_ BBC Radiophonics 1963-1974/1-26 PM - Computers In Business.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  40
                                           'genre'  soundtrack-library;electronic-experimental-early
                                        'filesize'  1672418
                                           'mtime'  1636923391
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1_ BBC Radiophonics 1963 1974 26 In soundtrack library;electronic experimental early
                                      'tag_artist'  John Baker
                                     'tag_release'  The John Baker Tapes, Volume 1
                                       'tag_title'  PM - Computers in Business
                                             'bpm'  119.7
                                    'search_title'  'business':4 'computers':2 'in':3 'pm':1
                                   'search_artist'  'baker':2 'john':1
                                  'search_release'  '1':7 'baker':3 'john':2 'tapes':4,5 'the':1 'volume':6
                                     'search_rest'  '1':1 '1963':4 '1974':5 '26':6 'bbc':2 'early':14 'electronic':10,12 'experimental':13 'in':7 'library':9,11 'radiophonics':3 'soundtrack':8
                                    'search_combo'  '1':13C,14 '1963':17 '1974':18 '26':19 'baker':6B,9C 'bbc':15 'business':4A 'computers':2A 'early':27 'electronic':23,25 'experimental':26 'in':3A,20 'john':5B,8C 'library':22,24 'pm':1A 'radiophonics':16 'soundtrack':21 'tapes':10C,11C 'the':7C 'volume':12C
                                    'tag_tracknum'  26
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['soundtrack', 'electronic', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1636923390.5168152  (2021-11-14 21:56:30)
                             'size'  1672418