======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '36'
                                          'artist'  'Outro (1961 US) (Crystal)'
                                     'text_people'  ''
                                         'release'  "Tape No199 - If You Ever Leave Me Baby I'll Blow Up Your Farm"
                                           'title'  'Outro (1961 US) (Crystal)'
                                           '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-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hip-hop', 'black metal', 'gothic metal', 'all', 'spotify']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '145.9'
                                             'key'  '6A'
                                        '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 No199 - If You Ever Leave Me Baby I'll Blow Up Your Farm"
'TBPM' (BPM (beats per minute))                     '145.9'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1961'
'TIT2' (Title/songname/content description)         'Outro (1961 US) (Crystal)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Outro (1961 US) (Crystal)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '19'
'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:lastfmtags'                                   ['hip-hop', 'black metal', 'gothic metal', 'all', 'spotify']
'TXXX:other'                                        'US'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.14 dB'
'TXXX:replaygain_track_peak'                        '0.494807'
'TXXX:tracknum'                                     '19'

========================== row from database ==========================
                                              'id'  500988
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT199/19 - Outro (1961 US) (Crystal).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  36
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  944290
                                           'mtime'  1620385207
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT199 rock gr garage;set pl garagetapes
                                      'tag_artist'  Outro (1961 US) (Crystal)
                                     'tag_release'  Tape No199 - If You Ever Leave Me Baby I'll Blow Up Your Farm
                                       'tag_title'  Outro (1961 US) (Crystal)
                                             'bpm'  145.9
                                    'search_title'  '1961':2,3 'crystal':6,7 'outro':1 'us':4,5
                                   'search_artist'  '1961':2,3 'crystal':6,7 'outro':1 'us':4,5
                                  'search_release'  'baby':8 'blow':12 'ever':5 'farm':15 'i':9 'if':3 'ill':11 'leave':6 'll':10 'me':7 'no199':2 'tape':1 'up':13 'you':4 'your':14
                                     'search_rest'  'blogspot':2 'com':3 'garage':8,10 'garagetapes':1,13 'garagetapesblogspotcom':4 'gr':7 'gt199':5 'pl':12 'rock':6 'set':9,11
                                    'search_combo'  '1961':2A,3A,9B,10B 'baby':22C 'blogspot':31 'blow':26C 'com':32 'crystal':6A,7A,13B,14B 'ever':19C 'farm':29C 'garage':37,39 'garagetapes':30,42 'garagetapesblogspotcom':33 'gr':36 'gt199':34 'i':23C 'if':17C 'ill':25C 'leave':20C 'll':24C 'me':21C 'no199':16C 'outro':1A,8B 'pl':41 'rock':35 'set':38,40 'tape':15C 'up':27C 'us':4A,5A,11B,12B 'you':18C 'your':28C
                                    'tag_tracknum'  19
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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'  ['hip-hop', 'black metal', 'gothic metal', 'all', 'spotify']
                                        'tag_date'  1961
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385206.7697003  (2021-05-07 13:00:06)
                             'size'  944290