======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '158'
                                          'artist'  'Liverpool Five'
                                     'text_people'  ''
                                         'release'  "Tape No089 - (I'm Not Your) Stepping Stone"
                                           'title'  "I'm Not Your Stepping Stone"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'garage rock', 'all', 'garage', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes;set-cover or covered'
                                             'bpm'  '136.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     "Tape No089 - (I'm Not Your) Stepping Stone"
'TBPM' (BPM (beats per minute))                     '136.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes', 'set-cover or covered']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         "I'm Not Your Stepping Stone"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Liverpool Five'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'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'                                      'UK'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['60s', 'garage rock', 'all', 'garage', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+24.21 dB'
'TXXX:replaygain_track_peak'                        '0.032371'
'TXXX:tracknum'                                     '09'

========================== row from database ==========================
                                              'id'  1519389
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT089/09 - Liverpool Five - I_m Not Your Stepping Stone (1966 UK).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  158
                                           'genre'  rock-gr-garage;set-pl-garagetapes;set-cover or covered
                                        'filesize'  3879124
                                           'mtime'  1620383809
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT089 09 I_m (1966 UK) rock gr garage;set pl garagetapes;set cover or covered
                                      'tag_artist'  Liverpool Five
                                     'tag_release'  Tape No089 - (I'm Not Your) Stepping Stone
                                       'tag_title'  I'm Not Your Stepping Stone
                                             'bpm'  136.4
                                    'search_title'  'i':1 'im':3 'm':2 'not':4 'stepping':6 'stone':7 'your':5
                                   'search_artist'  'five':2 'liverpool':1
                                  'search_release'  'i':3 'im':5 'm':4 'no089':2 'not':6 'stepping':9 'stone':10 'tape':1 'your':7,8
                                     'search_rest'  '1966':8,9 'blogspot':2 'com':3 'cover':23 'covered':25 'garage':14,16 'garagetapes':1,19,21 'garagetapesblogspotcom':4 'gr':13 'gt089':5 'i':6 'm':7 'or':24 'pl':18 'rock':12 'set':15,17,20,22 'uk':10,11
                                    'search_combo'  '1966':27,28 'blogspot':21 'com':22 'cover':42 'covered':44 'five':9B 'garage':33,35 'garagetapes':20,38,40 'garagetapesblogspotcom':23 'gr':32 'gt089':24 'i':1A,12C,25 'im':3A,14C 'liverpool':8B 'm':2A,13C,26 'no089':11C 'not':4A,15C 'or':43 'pl':37 'rock':31 'set':34,36,39,41 'stepping':6A,18C 'stone':7A,19C 'tape':10C 'uk':29,30 'your':5A,16C,17C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  9A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'garage rock', 'all', 'garage', 'rock']
                                        'tag_date'  1966
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620383808.9071474  (2021-05-07 12:36:48)
                             'size'  3879124