======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '151'
                                          'artist'  'The Inner Space & Rosy Rosy'
                                     'text_people'  ''
                                         'release'  'Tape No046 - Real Girls In The Garage Land - Part V'
                                           'title'  'Kamera Song'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['krautrock', 'psychedelic', 'progressive rock', 'kraut', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '132.4'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No046 - Real Girls In The Garage Land - Part V'
'TBPM' (BPM (beats per minute))                     '132.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Kamera Song'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Inner Space & Rosy Rosy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:COUNTRY'                                      'DE'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['krautrock', 'psychedelic', 'progressive rock', 'kraut', 'psychedelic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+24.50 dB'
'TXXX:replaygain_track_peak'                        '0.028027'
'TXXX:tracknum'                                     '01'

========================== row from database ==========================
                                              'id'  500560
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT046/01 - The Inner Space & Rosy Rosy - Kamera Song (1968 DE).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  151
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3639296
                                           'mtime'  1620383136
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT046 01 (1968 DE) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Inner Space & Rosy Rosy
                                     'tag_release'  Tape No046 - Real Girls In The Garage Land - Part V
                                       'tag_title'  Kamera Song
                                             'bpm'  132.4
                                    'search_title'  'kamera':1 'song':2
                                   'search_artist'  'inner':2 'rosy':4 'space':3 'the':1
                                  'search_release'  'garage':7 'girls':4 'in':5 'land':8 'no046':2 'part':9 'real':3 'tape':1 'the':6 'v':10
                                     'search_rest'  '1968':6,7 'blogspot':2 'com':3 'de':8,9 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt046':5 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '1968':22,23 'blogspot':18 'com':19 'de':24,25 'garage':13C,28,30 'garagetapes':17,33 'garagetapesblogspotcom':20 'girls':10C 'gr':27 'gt046':21 'in':11C 'inner':4B 'kamera':1A 'land':14C 'no046':8C 'part':15C 'pl':32 'real':9C 'rock':26 'rosy':6B 'set':29,31 'song':2A 'space':5B 'tape':7C 'the':3B,12C 'v':16C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['krautrock', 'psychedelic', 'progressive rock', 'kraut', 'psychedelic rock']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383136.399014  (2021-05-07 12:25:36)
                             'size'  3639296