======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '143'
                                          'artist'  'Jennifer & Angela'
                                     'text_people'  ''
                                         'release'  'Tape No138 - Real Girls In The Garage Land (Part XXXIX)'
                                           'title'  "I've Heard It All Before"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '125.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.gr/'
'TALB' (Album/Movie/Show title)                     'Tape No138 - Real Girls In The Garage Land (Part XXXIX)'
'TBPM' (BPM (beats per minute))                     '125.2'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         "I've Heard It All Before"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jennifer & Angela'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'UK'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+24.38 dB'
'TXXX:replaygain_track_peak'                        '0.022769'
'TXXX:tracknum'                                     '05'

========================== row from database ==========================
                                              'id'  1507718
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT138/05 - Jennifer & Angela - I_ve Heard It All Before (1966 UK).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  143
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3511281
                                           'mtime'  1620384666
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT138 05 I_ve (1966 UK) rock gr garage;set pl garagetapes
                                      'tag_artist'  Jennifer & Angela
                                     'tag_release'  Tape No138 - Real Girls In The Garage Land (Part XXXIX)
                                       'tag_title'  I've Heard It All Before
                                             'bpm'  125.2
                                    'search_title'  'all':6 'before':7 'heard':4 'i':1 'it':5 'ive':3 've':2
                                   'search_artist'  'angela':2 'jennifer':1
                                  'search_release'  'garage':7 'girls':4 'in':5 'land':8 'no138':2 'part':9,10 'real':3 'tape':1 'the':6 'xxxix':11,12
                                     'search_rest'  '1966':8,9 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt138':5 'i':6 'pl':18 'rock':12 'set':15,17 'uk':10,11 've':7
                                    'search_combo'  '1966':29,30 'all':6A 'angela':9B 'before':7A 'blogspot':23 'com':24 'garage':16C,35,37 'garagetapes':22,40 'garagetapesblogspotcom':25 'girls':13C 'gr':34 'gt138':26 'heard':4A 'i':1A,27 'in':14C 'it':5A 'ive':3A 'jennifer':8B 'land':17C 'no138':11C 'part':18C,19C 'pl':39 'real':12C 'rock':33 'set':36,38 'tape':10C 'the':15C 'uk':31,32 've':2A,28 'xxxix':20C,21C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384666.1831853  (2021-05-07 12:51:06)
                             'size'  3511281