======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '12'
                                          'artist'  'Ukulele Orchestra of Great Britain'
                                     'text_people'  ''
                                         'release'  'the secret of life'
                                           'title'  'Anatomic Explanation'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ukulele', 'folk', 'british', 'cover', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;mi-ukulele;set-cover or covered'
                                             'bpm'  '112.696'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'the secret of life'
'TBPM' (BPM (beats per minute))                     '112.696'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'mi-ukulele', 'set-cover or covered']
'TIT2' (Title/songname/content description)         'Anatomic Explanation'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ukulele Orchestra of Great Britain'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ukulele', 'folk', 'british', 'cover', 'pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+4.17 dB'
'TXXX:replaygain_track_peak'                        '0.511552'

========================== row from database ==========================
                                              'id'  1312720
                                            'path'  /data/Music/Bulk/00spent/Ukelele Orchestra Of Great Britain/13. Anatomic Explanation.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  12
                                           'genre'  set-th-novelty-styledcovers;mi-ukulele;set-cover or covered
                                        'filesize'  194743
                                           'mtime'  1620527968
                                   'redo_metaread'  0
                                        'rest_str'   00spent Ukelele Of 13. set novelty styledcovers;mi ukulele;set cover or covered
                                      'tag_artist'  Ukulele Orchestra of Great Britain
                                     'tag_release'  the secret of life
                                       'tag_title'  Anatomic Explanation
                                             'bpm'  112.696
                                    'search_title'  'anatomic':1 'explanation':2
                                   'search_artist'  'britain':5 'great':4 'of':3 'orchestra':2 'ukulele':1
                                  'search_release'  'life':4 'of':3 'secret':2 'the':1
                                     'search_rest'  '00spent':1 '13':4,5 'cover':16 'covered':18 'mi':9,11 'novelty':7 'of':3 'or':17 'set':6,13,15 'styledcovers':8,10 'ukelele':2 'ukulele':12,14
                                    'search_combo'  '00spent':12 '13':15,16 'anatomic':1A 'britain':7B 'cover':27 'covered':29 'explanation':2A 'great':6B 'life':11C 'mi':20,22 'novelty':18 'of':5B,10C,14 'or':28 'orchestra':4B 'secret':9C 'set':17,24,26 'styledcovers':19,21 'the':8C 'ukelele':13 'ukulele':3B,23,25
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['ukulele', 'folk', 'british', 'cover', 'pop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527967.6466699  (2021-05-09 04:39:27)
                             'size'  194743