======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '190'
                                          'artist'  'Little Hat Jones'
                                     'text_people'  ''
                                         'release'  'Ghost World.'
                                           'title'  'Bye Bye Baby Blues'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-2', 'q-chart-2', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'all', 'country blues', 'texas']"
                                     'discogstags'  "['country blues', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '142.608'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ghost World.'
'TBPM' (BPM (beats per minute))                     '142.608'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Bye Bye Baby Blues'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Little Hat Jones'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['country blues', 'blues']
'TXXX:lastfmtags'                                   ['blues', 'all', 'country blues', 'texas']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.65 dB'
'TXXX:replaygain_track_peak'                        '0.465691'

========================== row from database ==========================
                                              'id'  332665
                                            'path'  /data/Music/Bulk/0soundtrack/Ghost World (soundtrack)/19 - little hat jones - bye bye baby blues.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  190
                                           'genre'  soundtrack-video
                                        'filesize'  4562727
                                           'mtime'  1620333527
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack (soundtrack) 19 little hat jones bye bye baby blues soundtrack video
                                      'tag_artist'  Little Hat Jones
                                     'tag_release'  Ghost World.
                                       'tag_title'  Bye Bye Baby Blues
                                             'bpm'  142.608
                                    'search_title'  'baby':2 'blues':3 'bye':1
                                   'search_artist'  'hat':2 'jones':3 'little':1
                                  'search_release'  'ghost':1 'world':2,3
                                     'search_rest'  '0soundtrack':1 '19':4 'baby':9 'blues':10 'bye':8 'hat':6 'jones':7 'little':5 'soundtrack':2,3 'video':11
                                    'search_combo'  '0soundtrack':10 '19':13 'baby':2A,18 'blues':3A,19 'bye':1A,17 'ghost':7C 'hat':5B,15 'jones':6B,16 'little':4B,14 'soundtrack':11,12 'video':20 'world':8C,9C
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'all', 'country blues', 'texas']
                                        'tag_date'  2001
                                     'discogstags'  ['country blues', 'blues']

============================== file details ==============================
                                           'mtime'  1620333526.9082322  (2021-05-06 22:38:46)
                             'size'  4562727