======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '138'
                                          'artist'  'Sweet Cherry'
                                     'text_people'  ''
                                         'release'  'Tape No037 - Witch Girl'
                                           'title'  'Eight Day Blues'
                                           '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-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'psychedelic', '60s', 'fuck redirects', 'rock']"
                                     'discogstags'  "['garage rock', 'psychedelic rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '123.4'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No037 - Witch Girl'
'TBPM' (BPM (beats per minute))                     '123.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Eight Day Blues'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sweet Cherry'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'TXXX:COUNTRY'                                      '- US'
'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'                                  ['garage rock', 'psychedelic rock', 'rock']
'TXXX:lastfmtags'                                   ['garage rock', 'psychedelic', '60s', 'fuck redirects', '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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+25.47 dB'
'TXXX:replaygain_track_peak'                        '0.020787'
'TXXX:tracknum'                                     '05'

========================== row from database ==========================
                                              'id'  500706
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT037/05 - Sweet Cherry - Eight Day Blues (1967 - US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  138
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3332158
                                           'mtime'  1620383046
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT037 05 (1967 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  Sweet Cherry
                                     'tag_release'  Tape No037 - Witch Girl
                                       'tag_title'  Eight Day Blues
                                             'bpm'  123.4
                                    'search_title'  'blues':3 'day':2 'eight':1
                                   'search_artist'  'cherry':2 'sweet':1
                                  'search_release'  'girl':4 'no037':2 'tape':1 'witch':3
                                     'search_rest'  '1967':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt037':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1967':15,16 'blogspot':11 'blues':3A 'cherry':5B 'com':12 'day':2A 'eight':1A 'garage':21,23 'garagetapes':10,26 'garagetapesblogspotcom':13 'girl':9C 'gr':20 'gt037':14 'no037':7C 'pl':25 'rock':19 'set':22,24 'sweet':4B 'tape':6C 'us':17,18 'witch':8C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5A
                                           '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-1', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'psychedelic', '60s', 'fuck redirects', 'rock']
                                        'tag_date'  1967
                                     'discogstags'  ['garage rock', 'psychedelic rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620383046.1544747  (2021-05-07 12:24:06)
                             'size'  3332158