======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '145'
                                          'artist'  'The Snakes'
                                     'text_people'  ''
                                         'release'  'Tape No188 - Runaway (B-Side)'
                                           'title'  'Runaway'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hard rock', 'classic rock', 'rock', 'psychobilly', 'punk']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes;set-cover or covered'
                                             'bpm'  '100.8'
                                             'key'  '8A'
                                        '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 No188 - Runaway (B-Side)'
'TBPM' (BPM (beats per minute))                     '100.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes', 'set-cover or covered']
'TDRC' (Recording time)                             '1961'
'TIT2' (Title/songname/content description)         'Runaway'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Snakes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'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'                                      'BR'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['hard rock', 'classic rock', 'rock', 'psychobilly', 'punk']
'TXXX:other'                                        'BR'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+23.60 dB'
'TXXX:replaygain_track_peak'                        '0.034607'
'TXXX:tracknum'                                     '04'

========================== row from database ==========================
                                              'id'  499782
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT188 (B-Side)/04 - The Snakes (1961 BR).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  145
                                           'genre'  rock-gr-garage;set-pl-garagetapes;set-cover or covered
                                        'filesize'  3597934
                                           'mtime'  1620385110
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT188 04 (1961 BR) rock gr garage;set pl garagetapes;set cover or covered
                                      'tag_artist'  The Snakes
                                     'tag_release'  Tape No188 - Runaway (B-Side)
                                       'tag_title'  Runaway
                                             'bpm'  100.8
                                    'search_title'  'runaway':1
                                   'search_artist'  'snakes':2 'the':1
                                  'search_release'  'b':4 'bside':6 'no188':2 'runaway':3 'side':5 'tape':1
                                     'search_rest'  '1961':6,7 'blogspot':2 'br':8,9 'com':3 'cover':21 'covered':23 'garage':12,14 'garagetapes':1,17,19 'garagetapesblogspotcom':4 'gr':11 'gt188':5 'or':22 'pl':16 'rock':10 'set':13,15,18,20
                                    'search_combo'  '1961':15,16 'b':7C 'blogspot':11 'br':17,18 'bside':9C 'com':12 'cover':30 'covered':32 'garage':21,23 'garagetapes':10,26,28 'garagetapesblogspotcom':13 'gr':20 'gt188':14 'no188':5C 'or':31 'pl':25 'rock':19 'runaway':1A,6C 'set':22,24,27,29 'side':8C 'snakes':3B 'tape':4C 'the':2B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['hard rock', 'classic rock', 'rock', 'psychobilly', 'punk']
                                        'tag_date'  1961
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620385110.3867261  (2021-05-07 12:58:30)
                             'size'  3597934