======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '167'
                                          'artist'  'The Gentrys'
                                     'text_people'  ''
                                         'release'  'Tape No243 - Covering The Yardbirds (Part V)'
                                           'title'  'Stroll On'
                                           '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-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'rock', 'oldies', 'garage rock', 'american']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '108.2'
                                             '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 No243 - Covering The Yardbirds (Part V)'
'TBPM' (BPM (beats per minute))                     '108.2'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Stroll On'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Gentrys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'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:lastfmtags'                                   ['60s', 'rock', 'oldies', 'garage rock', 'american']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+24.97 dB'
'TXXX:replaygain_track_peak'                        '0.044057'
'TXXX:tracknum'                                     '08'

========================== row from database ==========================
                                              'id'  506441
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT243/08 - The Gentrys - Stroll On (1970 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  167
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4087646
                                           'mtime'  1620385483
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT243 08 (1970 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Gentrys
                                     'tag_release'  Tape No243 - Covering The Yardbirds (Part V)
                                       'tag_title'  Stroll On
                                             'bpm'  108.2
                                    'search_title'  'on':2 'stroll':1
                                   'search_artist'  'gentrys':2 'the':1
                                  'search_release'  'covering':3 'no243':2 'part':6,7 'tape':1 'the':4 'v':8,9 'yardbirds':5
                                     'search_rest'  '1970':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt243':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1970':19,20 'blogspot':15 'com':16 'covering':7C 'garage':25,27 'garagetapes':14,30 'garagetapesblogspotcom':17 'gentrys':4B 'gr':24 'gt243':18 'no243':6C 'on':2A 'part':10C,11C 'pl':29 'rock':23 'set':26,28 'stroll':1A 'tape':5C 'the':3B,8C 'us':21,22 'v':12C,13C 'yardbirds':9C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  10A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'rock', 'oldies', 'garage rock', 'american']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385482.6725378  (2021-05-07 13:04:42)
                             'size'  4087646