======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '101'
                                          'artist'  'The Chipmunks'
                                     'text_people'  ''
                                         'release'  'Christmas With the Chimpmunks'
                                           'title'  'All I Want for Christmas (Is My Two Front Teeth)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cartoons', 'comedy', 'kids', 'christmas', 'chipmunk vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'entertaining-tv;set-th-christmas'
                                             'bpm'  '136.001'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Christmas With the Chimpmunks'
'TBPM' (BPM (beats per minute))                     '136.001'
'TCON' (Content type, a.k.a. Genre)                 ['entertaining-tv', 'set-th-christmas']
'TIT2' (Title/songname/content description)         'All I Want for Christmas (Is My Two Front Teeth)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Chipmunks'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['cartoons', 'comedy', 'kids', 'christmas', 'chipmunk vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.28 dB'
'TXXX:replaygain_track_peak'                        '0.598783'

========================== row from database ==========================
                                              'id'  1316750
                                            'path'  /data/Music/Bulk/00spent/The Chipmunks/MBZ;#The Chipmunks;#Christmas With the Chimpmunks Vol 2;#09;#All I Want for Christmas (Is My Two Front Teeth).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  101
                                           'genre'  entertaining-tv;set-th-christmas
                                        'filesize'  1623546
                                           'mtime'  1636913916
                                   'redo_metaread'  0
                                        'rest_str'   00spent MBZ;#The Chipmunks;#Christmas Vol 2;#09;#All entertaining tv;set christmas
                                      'tag_artist'  The Chipmunks
                                     'tag_release'  Christmas With the Chimpmunks
                                       'tag_title'  All I Want for Christmas (Is My Two Front Teeth)
                                             'bpm'  136.001
                                    'search_title'  'all':1 'christmas':5 'for':4 'front':10 'i':2 'is':6,7 'my':8 'teeth':11,12 'two':9 'want':3
                                   'search_artist'  'chipmunks':2 'the':1
                                  'search_release'  'chimpmunks':4 'christmas':1 'the':3 'with':2
                                     'search_rest'  '00spent':1 '09':12,15 '2':11,14 'all':13,16 'chipmunks':6,8 'christmas':7,9,22 'entertaining':17 'mbz':2,4 'set':19,21 'the':3,5 'tv':18,20 'vol':10
                                    'search_combo'  '00spent':19 '09':30,33 '2':29,32 'all':1A,31,34 'chimpmunks':18C 'chipmunks':14B,24,26 'christmas':5A,15C,25,27,40 'entertaining':35 'for':4A 'front':10A 'i':2A 'is':6A,7A 'mbz':20,22 'my':8A 'set':37,39 'teeth':11A,12A 'the':13B,17C,21,23 'tv':36,38 'two':9A 'vol':28 'want':3A 'with':16C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['cartoons', 'comedy', 'kids', 'christmas', 'chipmunk vocalists']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913915.636637  (2021-11-14 19:18:35)
                             'size'  1623546