======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '134'
                                          'artist'  'Animaniacs'
                                     'text_people'  ''
                                         'release'  "Yakko's World"
                                           'title'  'A Quake! A Quake!'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', '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'  '2'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series;entertaining-unsorted'
                                             'bpm'  '146.000'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Yakko's World"
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-video-series', 'entertaining-unsorted']
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'A Quake! A Quake!'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Animaniacs'
'TRCK' (Track number/Position in set)               '2'
'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'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '+0.75 dB'
'TXXX:replaygain_track_peak'                        '0.704937'

========================== row from database ==========================
                                              'id'  1531693
                                            'path'  /data/Music/Bulk/00spent/Animaniacs/Yakko_s World/MBZ;#Animaniacs;#Yakko_s World;#02;#A Quake! A Quake!.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  134
                                           'genre'  soundtrack-video-series;entertaining-unsorted
                                        'filesize'  2160076
                                           'mtime'  1620527067
                                   'redo_metaread'  0
                                        'rest_str'   00spent Yakko_s MBZ;#Animaniacs;#Yakko_s World;#02;#A soundtrack video series;entertaining unsorted
                                      'tag_artist'  Animaniacs
                                     'tag_release'  Yakko's World
                                       'tag_title'  A Quake! A Quake!
                                             'bpm'  146.0
                                    'search_title'  'a':1 'quake':2
                                   'search_artist'  'animaniacs':1
                                  'search_release'  's':2 'world':4 'yakko':1 'yakkos':3
                                     'search_rest'  '00spent':1 '02':13,16 'a':14,17 'animaniacs':5,9 'entertaining':21,23 'mbz':4,8 's':3,7,11 'series':20,22 'soundtrack':18 'unsorted':24 'video':19 'world':12,15 'yakko':2,6,10
                                    'search_combo'  '00spent':8 '02':20,23 'a':1A,21,24 'animaniacs':3B,12,16 'entertaining':28,30 'mbz':11,15 'quake':2A 's':5C,10,14,18 'series':27,29 'soundtrack':25 'unsorted':31 'video':26 'world':7C,19,22 'yakko':4C,9,13,17 'yakkos':6C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'tv', 'television', 'comedy', 'cartoon']
                                        'tag_date'  1994
                                     'discogstags'  ["children's"]

============================== file details ==============================
                                           'mtime'  1620527067.3986504  (2021-05-09 04:24:27)
                             'size'  2160076