======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '185'
                                          'artist'  'The Source'
                                     'text_people'  ''
                                         'release'  'Tape No186 - Welcome Back Among The Living'
                                           'title'  'Phantom In The Rain'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['90s', 'dance', 'house', 'british', 'thrash metal', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '102.1'
                                             'key'  '10A'
                                        '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 No186 - Welcome Back Among The Living'
'TBPM' (BPM (beats per minute))                     '102.1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Phantom In The Rain'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Source'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'US'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['90s', 'dance', 'house', 'british', 'thrash metal', 'electronic']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+23.35 dB'
'TXXX:replaygain_track_peak'                        '0.031058'
'TXXX:tracknum'                                     '06'

========================== row from database ==========================
                                              'id'  505178
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT186/06 - The Source - Phantom In The Rain (1970 US) (American International).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  185
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4625303
                                           'mtime'  1620385087
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT186 06 (1970 US) (American International) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Source
                                     'tag_release'  Tape No186 - Welcome Back Among The Living
                                       'tag_title'  Phantom In The Rain
                                             'bpm'  102.1
                                    'search_title'  'in':2 'phantom':1 'rain':4 'the':3
                                   'search_artist'  'source':2 'the':1
                                  'search_release'  'among':5 'back':4 'living':7 'no186':2 'tape':1 'the':6 'welcome':3
                                     'search_rest'  '1970':6,7 'american':10,11 'blogspot':2 'com':3 'garage':16,18 'garagetapes':1,21 'garagetapesblogspotcom':4 'gr':15 'gt186':5 'international':12,13 'pl':20 'rock':14 'set':17,19 'us':8,9
                                    'search_combo'  '1970':19,20 'american':23,24 'among':11C 'back':10C 'blogspot':15 'com':16 'garage':29,31 'garagetapes':14,34 'garagetapesblogspotcom':17 'gr':28 'gt186':18 'in':2A 'international':25,26 'living':13C 'no186':8C 'phantom':1A 'pl':33 'rain':4A 'rock':27 'set':30,32 'source':6B 'tape':7C 'the':3A,5B,12C 'us':21,22 'welcome':9C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'dance', 'house', 'british', 'thrash metal', 'electronic']
                                        'tag_date'  1970
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620385086.9562027  (2021-05-07 12:58:06)
                             'size'  4625303