======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '172'
                                          'artist'  'The Shamrocks'
                                     'text_people'  ''
                                         'release'  'Tape No195 - Brand New Cadillac (B-SIDE)'
                                           'title'  'Cadillac (Version 2)'
                                           '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-4', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'rhythm and blues', 'garage rock', 'all', 'qlencja relax selection']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '109.1'
                                             '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 No195 - Brand New Cadillac (B-SIDE)'
'TBPM' (BPM (beats per minute))                     '109.1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Cadillac (Version 2)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Shamrocks'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'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'                                      'SE'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['60s', 'rhythm and blues', 'garage rock', 'all', 'qlencja relax selection']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                        '+25.33 dB'
'TXXX:replaygain_track_peak'                        '0.030024'
'TXXX:tracknum'                                     '05'

========================== row from database ==========================
                                              'id'  507671
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT195 - Brand New Cadillac/B - Side/05 - The Shamrocks - Cadillac (Version 2) (196 SE).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  172
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4194301
                                           'mtime'  1620385176
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT195 Side 05 (196 SE) gr garage;set pl garagetapes
                                      'tag_artist'  The Shamrocks
                                     'tag_release'  Tape No195 - Brand New Cadillac (B-SIDE)
                                       'tag_title'  Cadillac (Version 2)
                                             'bpm'  109.1
                                    'search_title'  '2':4,5 'cadillac':1 'version':2,3
                                   'search_artist'  'shamrocks':2 'the':1
                                  'search_release'  'b':6 'brand':3 'bside':8 'cadillac':5 'new':4 'no195':2 'side':7 'tape':1
                                     'search_rest'  '196':7,8 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt195':5 'pl':16 'se':9,10 'set':13,15 'side':6
                                    'search_combo'  '196':22,23 '2':4A,5A 'b':13C 'blogspot':17 'brand':10C 'bside':15C 'cadillac':1A,12C 'com':18 'garage':27,29 'garagetapes':16,32 'garagetapesblogspotcom':19 'gr':26 'gt195':20 'new':11C 'no195':9C 'pl':31 'se':24,25 'set':28,30 'shamrocks':7B 'side':14C,21 'tape':8C 'the':6B 'version':2A,3A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           '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-4', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'rhythm and blues', 'garage rock', 'all', 'qlencja relax selection']
                                        'tag_date'  1965
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620385176.463841  (2021-05-07 12:59:36)
                             'size'  4194301