======================== unified (from filesystem) ========================
                                         'bitrate'  '204.537'
                                        'duration'  '203'
                                          'artist'  'Anastacia'
                                     'text_people'  ''
                                         'release'  'Pieces of a Dream'
                                           'title'  'Not That Kind'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['female', 'female vocalists', 'soul', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '97.930'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pieces of a Dream'
'TBPM' (BPM (beats per minute))                     '97.930'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Not That Kind'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anastacia'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female', 'female vocalists', 'soul', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.332643'

========================== row from database ==========================
                                              'id'  1333396
                                            'path'  /data/Music/Bulk/00poprockelectronic/album top 1000/0267 Anastacia - Pieces of a Dream/Pieces of a Dream-02-Not That Kind.mp3
                                         'working'  None
                                         'bitrate'  204
                                    'duration_sec'  203
                                           'genre'  rock-pop
                                        'filesize'  5205583
                                           'mtime'  1620392563
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic album top 1000 0267 02 rock pop
                                      'tag_artist'  Anastacia
                                     'tag_release'  Pieces of a Dream
                                       'tag_title'  Not That Kind
                                             'bpm'  97.93
                                    'search_title'  'kind':3 'not':1 'that':2
                                   'search_artist'  'anastacia':1
                                  'search_release'  'a':3 'dream':4 'of':2 'pieces':1
                                     'search_rest'  '00poprockelectronic':1 '0267':5 '1000':4 'album':2 'pop':7 'rock':6 'top':3
                                    'search_combo'  '00poprockelectronic':9 '0267':13 '1000':12 'a':7C 'album':10 'anastacia':4B 'dream':8C 'kind':3A 'not':1A 'of':6C 'pieces':5C 'pop':15 'rock':14 'that':2A 'top':11
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['female', 'female vocalists', 'soul', 'pop', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392563.239201  (2021-05-07 15:02:43)
                             'size'  5205583