======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '142'
                                          'artist'  'The Evil'
                                     'text_people'  ''
                                         'release'  'Tape No021 - Whatcha Gonna Do About It'
                                           'title'  ' Whatcha Gonna Do About It'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'doom metal', 'brazilian', 'sludge', 'garage']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '84.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No021 - Whatcha Gonna Do About It'
'TBPM' (BPM (beats per minute))                     '84.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         ' Whatcha Gonna Do About It'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Evil'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['garage rock', 'doom metal', 'brazilian', 'sludge', 'garage']
'TXXX:q-bass'                                       '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.91 dB'
'TXXX:replaygain_track_peak'                        '0.368245'
'TXXX:tracknum'                                     'The Evil'

========================== row from database ==========================
                                              'id'  505477
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT021/The Evil - Whatcha Gonna Do About It (1966).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  142
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  5707786
                                           'mtime'  1620382867
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT021 (1966) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Evil
                                     'tag_release'  Tape No021 - Whatcha Gonna Do About It
                                       'tag_title'   Whatcha Gonna Do About It
                                             'bpm'  84.0
                                    'search_title'  'about':4 'do':3 'gonna':2 'it':5 'whatcha':1
                                   'search_artist'  'evil':2 'the':1
                                  'search_release'  'about':6 'do':5 'gonna':4 'it':7 'no021':2 'tape':1 'whatcha':3
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'garage':10,12 'garagetapes':1,15 'garagetapesblogspotcom':4 'gr':9 'gt021':5 'pl':14 'rock':8 'set':11,13
                                    'search_combo'  '1966':20,21 'about':4A,13C 'blogspot':16 'com':17 'do':3A,12C 'evil':7B 'garage':24,26 'garagetapes':15,29 'garagetapesblogspotcom':18 'gonna':2A,11C 'gr':23 'gt021':19 'it':5A,14C 'no021':9C 'pl':28 'rock':22 'set':25,27 'tape':8C 'the':6B 'whatcha':1A,10C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'doom metal', 'brazilian', 'sludge', 'garage']
                                        'tag_date'  1966
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620382867.2443023  (2021-05-07 12:21:07)
                             'size'  5707786