======================== unified (from filesystem) ========================
                                         'bitrate'  '170.631'
                                        'duration'  '117'
                                          'artist'  'Animaniacs'
                                     'text_people'  ''
                                         'release'  'Variety Pack'
                                           'title'  'Variety Speak'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'tv', 'television', 'comedy', 'cartoon']"
                                     'discogstags'  '["children\'s"]'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series;entertaining-unsorted'
                                             'bpm'  '105.094'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Variety Pack'
'TBPM' (BPM (beats per minute))                     '105.094'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-video-series', 'entertaining-unsorted']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Variety Speak'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Animaniacs'
'TRCK' (Track number/Position in set)               '1'
'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:discogstags'                                  "children's"
'TXXX:lastfmtags'                                   ['soundtrack', 'tv', 'television', 'comedy', 'cartoon']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.05 dB'
'TXXX:replaygain_track_peak'                        '0.615334'

========================== row from database ==========================
                                              'id'  1284305
                                            'path'  /data/Music/Bulk/00spent/Animaniacs/Variety Pack/MBZ;#Animaniacs;#Variety Pack;#01;#Variety Speak.mp3
                                         'working'  None
                                         'bitrate'  170
                                    'duration_sec'  117
                                           'genre'  soundtrack-video-series;entertaining-unsorted
                                        'filesize'  2518516
                                           'mtime'  1620527056
                                   'redo_metaread'  0
                                        'rest_str'   00spent MBZ;#Animaniacs;#Variety Pack;#01;#Variety soundtrack video series;entertaining unsorted
                                      'tag_artist'  Animaniacs
                                     'tag_release'  Variety Pack
                                       'tag_title'  Variety Speak
                                             'bpm'  105.094
                                    'search_title'  'speak':2 'variety':1
                                   'search_artist'  'animaniacs':1
                                  'search_release'  'pack':2 'variety':1
                                     'search_rest'  '00spent':1 '01':9,12 'animaniacs':3,6 'entertaining':17,19 'mbz':2,5 'pack':8,11 'series':16,18 'soundtrack':14 'unsorted':20 'variety':4,7,10,13 'video':15
                                    'search_combo'  '00spent':6 '01':14,17 'animaniacs':3B,8,11 'entertaining':22,24 'mbz':7,10 'pack':5C,13,16 'series':21,23 'soundtrack':19 'speak':2A 'unsorted':25 'variety':1A,4C,9,12,15,18 'video':20
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12A
                                           '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-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'tv', 'television', 'comedy', 'cartoon']
                                        'tag_date'  1995
                                     'discogstags'  ["children's"]

============================== file details ==============================
                                           'mtime'  1620527056.4177725  (2021-05-09 04:24:16)
                             'size'  2518516