======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '103'
                                          'artist'  'They Might Be Giants'
                                     'text_people'  ''
                                         'release'  'Apollo 18'
                                           'title'  "If I Wasn't Shy"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['quirky', 'alternative', 'rock', 'pop', 'happy']"
                                     'discogstags'  "['rock', 'alternative rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'rock-nerd'
                                             'bpm'  '134.6'
                                             'key'  '10A'
                                        '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))                     '134.6'
'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)         "If I Wasn't Shy"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'They Might Be Giants'
'TPE2' (Band/orchestra/accompaniment)               'They Might Be Giants'
'TRCK' (Track number/Position in set)               '14'
'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'                                 'accc0a76-c7a3-5af4-f5ba-742151c8d2f6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'pop rock']
'TXXX:lastfmtags'                                   ['quirky', 'alternative', 'rock', 'pop', 'happy']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.97 dB'
'TXXX:replaygain_track_peak'                        '0.869467'

========================== row from database ==========================
                                              'id'  1506418
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/They Might Be Giants/MBZ;#They Might Be Giants;#Apollo 18;#14;#If I Wasn_t Shy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  103
                                           'genre'  rock-nerd
                                        'filesize'  1657209
                                           'mtime'  1621786471
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock MBZ;#They Giants;#Apollo 18;#14;#If Wasn_t rock nerd
                                      'tag_artist'  They Might Be Giants
                                     'tag_release'  Apollo 18
                                       'tag_title'  If I Wasn't Shy
                                             'bpm'  134.6
                                    'search_title'  'i':2 'if':1 'shy':6 't':4 'wasn':3 'wasnt':5
                                   'search_artist'  'be':3 'giants':4 'might':2 'they':1
                                  'search_release'  '18':2 'apollo':1
                                     'search_rest'  '00poprockelectronic':1 '14':13,16 '18':12,15 'apollo':9,11 'giants':8,10 'if':14,17 'indierock':3 'mbz':4,6 'nerd':21 'poprock':2 'rock':20 't':19 'they':5,7 'wasn':18
                                    'search_combo'  '00poprockelectronic':13 '14':25,28 '18':12C,24,27 'apollo':11C,21,23 'be':9B 'giants':10B,20,22 'i':2A 'if':1A,26,29 'indierock':15 'mbz':16,18 'might':8B 'nerd':33 'poprock':14 'rock':32 'shy':6A 't':4A,31 'they':7B,17,19 'wasn':3A,30 'wasnt':5A
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['quirky', 'alternative', 'rock', 'pop', 'happy']
                                        'tag_date'  1992
                                     'discogstags'  ['rock', 'alternative rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1621786470.8290925  (2021-05-23 18:14:30)
                             'size'  1657209