======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '90'
                                          'artist'  'John Baker'
                                     'text_people'  ''
                                         'release'  ('The John Baker Tapes Volume 2: Soundtracks, Library, Home Recordings, '
 'Electro Ads 1963 - 1975')
                                           'title'  'Electro 5/4 MQ LP35/1'
                                           'quals'  ("['Q-UNU-2', 'Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', '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'  '13'
                                      'tracktotal'  '39'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'soundtrack-library;electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '89.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         '39++'
'TALB' (Album/Movie/Show title)                     ('The John Baker Tapes Volume 2: Soundtracks, Library, Home Recordings, '
 'Electro Ads 1963 - 1975')
'TBPM' (BPM (beats per minute))                     '89.4'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-library',
 'electronic-experimental-early',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes 10.3.1.55'
'TIT2' (Title/songname/content description)         'Electro 5/4 MQ LP35/1'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'John Baker'
'TRCK' (Track number/Position in set)               '13/39'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'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'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.72 dB'
'TXXX:replaygain_track_peak'                        '0.638911'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N39Q158962025U158E784F18D0A6CA0405C6007A73E7EE44FP6\x00')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The John Baker Tapes Volume 2_ Soundtracks, Library, Home Recordings, Electro Ads 1963 - 1975/13 Electro 5_4 MQ LP35_1.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  90
                                           'genre'  soundtrack-library;electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2345539
                                           'mtime'  1639510549
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2_ 13 5_4 LP35_1 soundtrack library;electronic experimental early;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  John Baker
                                     'tag_release'  The John Baker Tapes Volume 2: Soundtracks, Library, Home Recordings, Electro Ads 1963 - 1975
                                       'tag_title'  Electro 5/4 MQ LP35/1
                                             'bpm'  89.4
                                    'search_title'  '1':7 '4':3 '5':2 '54':4 'electro':1 'lp35':6 'lp351':8 'mq':5
                                   'search_artist'  'baker':2 'john':1
                                  'search_release'  '1963':17 '1975':18 '2':6,7 'ads':16 'baker':3 'electro':15 'home':12 'john':2 'library':10,11 'recordings':13,14 'soundtracks':8,9 'tapes':4 'the':1 'volume':5
                                     'search_rest'  '1':5 '2':1 '4':3 '5':2 'early':12,14 'electronic':8,10 'experimental':11 'library':7,9 'lp35':4 'mor':21 'pl':16 'set':13,15,18,20 'shirleyspinoza':17,19 'soundtrack':6
                                    'search_combo'  '1':7A,33 '1963':27C '1975':28C '2':16C,17C,29 '4':3A,31 '5':2A,30 '54':4A 'ads':26C 'baker':10B,13C 'early':40,42 'electro':1A,25C 'electronic':36,38 'experimental':39 'home':22C 'john':9B,12C 'library':20C,21C,35,37 'lp35':6A,32 'lp351':8A 'mor':49 'mq':5A 'pl':44 'recordings':23C,24C 'set':41,43,46,48 'shirleyspinoza':45,47 'soundtrack':34 'soundtracks':18C,19C 'tapes':14C 'the':11C 'volume':15C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', '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'  1639510548.6062894  (2021-12-14 20:35:48)
                             'size'  2345539