======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '151'
                                          'artist'  'Les Rockers'
                                     'text_people'  ''
                                         'release'  'Tape No106 - Play With Fire (Covering The Rolling Stones, Part III)'
                                           'title'  'Tell Me'
                                           '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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['beat', 'garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '139.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No106 - Play With Fire (Covering The Rolling Stones, Part III)'
'TBPM' (BPM (beats per minute))                     '139.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Tell Me'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Les Rockers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'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'                                      'Coming Back'
'TXXX:discogstags'                                  ['beat', 'garage rock', 'rock']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+24.54 dB'
'TXXX:replaygain_track_peak'                        '0.022418'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  1504887
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT106/10 - Les Rockers - Tell Me (You_re Coming Back) (1965 FR).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  151
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3643402
                                           'mtime'  1620384247
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT106 (You_re Coming Back) (1965 FR) rock gr garage;set pl garagetapes
                                      'tag_artist'  Les Rockers
                                     'tag_release'  Tape No106 - Play With Fire (Covering The Rolling Stones, Part III)
                                       'tag_title'  Tell Me
                                             'bpm'  139.3
                                    'search_title'  'me':2 'tell':1
                                   'search_artist'  'les':1 'rockers':2
                                  'search_release'  'covering':6,7 'fire':5 'iii':13,14 'no106':2 'part':12 'play':3 'rolling':9 'stones':10,11 'tape':1 'the':8 'with':4
                                     'search_rest'  '1965':13,14 'back':11,12 'blogspot':2 'com':3 'coming':10 'fr':15,16 'garage':19,21 'garagetapes':1,24 'garagetapesblogspotcom':4 'gr':18 'gt106':5 'pl':23 're':7,9 'rock':17 'set':20,22 'you':6,8
                                    'search_combo'  '1965':31,32 'back':29,30 'blogspot':20 'com':21 'coming':28 'covering':10C,11C 'fire':9C 'fr':33,34 'garage':37,39 'garagetapes':19,42 'garagetapesblogspotcom':22 'gr':36 'gt106':23 'iii':17C,18C 'les':3B 'me':2A 'no106':6C 'part':16C 'pl':41 'play':7C 're':25,27 'rock':35 'rockers':4B 'rolling':13C 'set':38,40 'stones':14C,15C 'tape':5C 'tell':1A 'the':12C 'with':8C 'you':24,26
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  ['beat', 'garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620384247.1566124  (2021-05-07 12:44:07)
                             'size'  3643402