======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '117'
                                          'artist'  'Sheldon Allman'
                                     'text_people'  ''
                                         'release'  'Folk Songs for the 21st Century'
                                           'title'  'Girl In The 4th Dimension'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['listen to', 'novelty', 'space age', 'guilty pleasures', 'fallout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'set-th-futurism'
                                             'bpm'  '144.130'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Folk Songs for the 21st Century'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 'set-th-futurism'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Girl In The 4th Dimension'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sheldon Allman'
'TRCK' (Track number/Position in set)               '5'
'TSOP' (Performer sort order)                       'Sheldon Allman'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['listen to', 'novelty', 'space age', 'guilty pleasures', 'fallout']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.55 dB'
'TXXX:replaygain_track_peak'                        '0.439165'

========================== row from database ==========================
                                              'id'  1350454
                                            'path'  /data/Music/Bulk/00poprockelectronic/Folk Songs for the 21st Century/05 Girl In The 4th Dimension.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  117
                                           'genre'  set-th-futurism
                                        'filesize'  1877888
                                           'mtime'  1620526485
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 05 set futurism
                                      'tag_artist'  Sheldon Allman
                                     'tag_release'  Folk Songs for the 21st Century
                                       'tag_title'  Girl In The 4th Dimension
                                             'bpm'  144.13
                                    'search_title'  '4th':4 'dimension':5 'girl':1 'in':2 'the':3
                                   'search_artist'  'allman':2 'sheldon':1
                                  'search_release'  '21st':5 'century':6 'folk':1 'for':3 'songs':2 'the':4
                                     'search_rest'  '00poprockelectronic':1 'futurism':3 'set':2
                                    'search_combo'  '00poprockelectronic':14 '21st':12C '4th':4A 'allman':7B 'century':13C 'dimension':5A 'folk':8C 'for':10C 'futurism':16 'girl':1A 'in':2A 'set':15 'sheldon':6B 'songs':9C 'the':3A,11C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['listen to', 'novelty', 'space age', 'guilty pleasures', 'fallout']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526485.3644857  (2021-05-09 04:14:45)
                             'size'  1877888