======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '102'
                                          'artist'  'The Zeroes'
                                     'text_people'  ''
                                         'release'  'Tape No087 - Covering The Who (Part I)'
                                           'title'  "I Can't Explain"
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '144.5'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No087 - Covering The Who (Part I)'
'TBPM' (BPM (beats per minute))                     '144.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         "I Can't Explain"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Zeroes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'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'                                      'ZA'
'TXXX:discogstags'                                  ['punk', 'rock']
'TXXX:q-bass'                                       '2'
'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'                        '+23.35 dB'
'TXXX:replaygain_track_peak'                        '0.034735'
'TXXX:tracknum'                                     '13'

========================== row from database ==========================
                                              'id'  1508566
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT087/13 - The Zeroes - I Can_t Explain (1966 ZA).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  102
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  2453298
                                           'mtime'  1620383768
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT087 13 Can_t (1966 ZA) rock gr garage;set garagetapes
                                      'tag_artist'  The Zeroes
                                     'tag_release'  Tape No087 - Covering The Who (Part I)
                                       'tag_title'  I Can't Explain
                                             'bpm'  144.5
                                    'search_title'  'can':2 'cant':4 'explain':5 'i':1 't':3
                                   'search_artist'  'the':1 'zeroes':2
                                  'search_release'  'covering':3 'i':8,9 'no087':2 'part':6,7 'tape':1 'the':4 'who':5
                                     'search_rest'  '1966':8,9 'blogspot':2 'can':6 'com':3 'garage':14,16 'garagetapes':1,18 'garagetapesblogspotcom':4 'gr':13 'gt087':5 'rock':12 'set':15,17 't':7 'za':10,11
                                    'search_combo'  '1966':24,25 'blogspot':18 'can':2A,22 'cant':4A 'com':19 'covering':10C 'explain':5A 'garage':30,32 'garagetapes':17,34 'garagetapesblogspotcom':20 'gr':29 'gt087':21 'i':1A,15C,16C 'no087':9C 'part':13C,14C 'rock':28 'set':31,33 't':3A,23 'tape':8C 'the':6B,11C 'who':12C 'za':26,27 'zeroes':7B
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  12B
                                           '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-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1966
                                     'discogstags'  ['punk', 'rock']

============================== file details ==============================
                                           'mtime'  1620383768.002363  (2021-05-07 12:36:08)
                             'size'  2453298