======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '127'
                                          'artist'  'The Uptowners'
                                     'text_people'  ''
                                         'release'  'Tape No140 - Dance To The Bo Diddley Rhythm (Part II)'
                                           'title'  "She's Mine"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  '["rock\'n\'roll"]'
                                     'discogstags'  "['country', 'folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '120.6'
                                             'key'  '3A'
                                        '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 No140 - Dance To The Bo Diddley Rhythm (Part II)'
'TBPM' (BPM (beats per minute))                     '120.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         "She's Mine"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Uptowners'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'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'                                      'US'
'TXXX:discogstags'                                  ['country', 'folk, world, & country']
'TXXX:lastfmtags'                                   "rock'n'roll"
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+22.72 dB'
'TXXX:replaygain_track_peak'                        '0.037819'
'TXXX:tracknum'                                     '12'

========================== row from database ==========================
                                              'id'  1502939
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT140/12 - The Uptowners - She_s Mine (1969 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  127
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3108621
                                           'mtime'  1620384685
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT140 12 She_s (1969 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Uptowners
                                     'tag_release'  Tape No140 - Dance To The Bo Diddley Rhythm (Part II)
                                       'tag_title'  She's Mine
                                             'bpm'  120.6
                                    'search_title'  'mine':4 's':2 'she':1 'shes':3
                                   'search_artist'  'the':1 'uptowners':2
                                  'search_release'  'bo':6 'dance':3 'diddley':7 'ii':11,12 'no140':2 'part':9,10 'rhythm':8 'tape':1 'the':5 'to':4
                                     'search_rest'  '1969':8,9 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt140':5 'pl':18 'rock':12 's':7 'set':15,17 'she':6 'us':10,11
                                    'search_combo'  '1969':26,27 'blogspot':20 'bo':12C 'com':21 'dance':9C 'diddley':13C 'garage':32,34 'garagetapes':19,37 'garagetapesblogspotcom':22 'gr':31 'gt140':23 'ii':17C,18C 'mine':4A 'no140':8C 'part':15C,16C 'pl':36 'rhythm':14C 'rock':30 's':2A,25 'set':33,35 'she':1A,24 'shes':3A 'tape':7C 'the':5B,11C 'to':10C 'uptowners':6B 'us':28,29
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ["rock'n'roll"]
                                        'tag_date'  1969
                                     'discogstags'  ['country', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620384685.2172775  (2021-05-07 12:51:25)
                             'size'  3108621