======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '8'
                                          'artist'  'They Might Be Giants'
                                     'text_people'  ''
                                         'release'  'Apollo 18'
                                           'title'  "What's That Blue Thing Doing Here?"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-PLAY-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-3', 'q-other-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['quirky', 'alternative', 'rock', 'pop', 'happy']"
                                     'discogstags'  "['rock', 'alternative rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'rock-nerd'
                                             'bpm'  '119.3'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Apollo 18'
'TBPM' (BPM (beats per minute))                     '119.3'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'rock-nerd'
'TDRC' (Recording time)                             '1992'
'TDRL' (Release time)                               '1992-03-24'
'TIT2' (Title/songname/content description)         "What's That Blue Thing Doing Here?"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'They Might Be Giants'
'TPE2' (Band/orchestra/accompaniment)               'They Might Be Giants'
'TRCK' (Track number/Position in set)               '29'
'TSOP' (Performer sort order)                       'They Might Be Giants'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicBrainz Album Artist'                     'They Might Be Giants'
'TXXX:MusicBrainz Album Artist Id'                  '183d6ef6-e161-47ff-9085-063c8b897e97'
'TXXX:MusicBrainz Album Artist Sortname'            'They Might Be Giants'
'TXXX:MusicBrainz Album Id'                         '46ffd6e9-7cb5-4645-b844-53e2311dc402'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '183d6ef6-e161-47ff-9085-063c8b897e97'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '8dc1fbcb-e9c9-3d3e-911c-eb331ae90b92'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'pop rock']
'TXXX:lastfmtags'                                   ['quirky', 'alternative', 'rock', 'pop', 'happy']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.38 dB'
'TXXX:replaygain_track_peak'                        '0.489517'

========================== row from database ==========================
                                              'id'  1497429
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/They Might Be Giants/MBZ;#They Might Be Giants;#Apollo 18;#29;#What_s That Blue Thing Doing Here.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  8
                                           'genre'  rock-nerd
                                        'filesize'  146298
                                           'mtime'  1621786471
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock MBZ;#They Giants;#Apollo 18;#29;#What_s rock nerd
                                      'tag_artist'  They Might Be Giants
                                     'tag_release'  Apollo 18
                                       'tag_title'  What's That Blue Thing Doing Here?
                                             'bpm'  119.3
                                    'search_title'  'blue':5 'doing':7 'here':8 's':2 'that':4 'thing':6 'what':1 'whats':3
                                   'search_artist'  'be':3 'giants':4 'might':2 'they':1
                                  'search_release'  '18':2 'apollo':1
                                     'search_rest'  '00poprockelectronic':1 '18':12,16 '29':13,17 'apollo':9,11 'giants':8,10 'indierock':3 'mbz':4,6 'nerd':21 'poprock':2 'rock':20 's':15,19 'they':5,7 'what':14,18
                                    'search_combo'  '00poprockelectronic':15 '18':14C,26,30 '29':27,31 'apollo':13C,23,25 'be':11B 'blue':5A 'doing':7A 'giants':12B,22,24 'here':8A 'indierock':17 'mbz':18,20 'might':10B 'nerd':35 'poprock':16 'rock':34 's':2A,29,33 'that':4A 'they':9B,19,21 'thing':6A 'what':1A,28,32 'whats':3A
                                    'tag_tracknum'  29
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['quirky', 'alternative', 'rock', 'pop', 'happy']
                                        'tag_date'  1992
                                     'discogstags'  ['rock', 'alternative rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1621786471.100277  (2021-05-23 18:14:31)
                             'size'  146298