======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '270'
                                          'artist'  'They Might Be Giants'
                                     'text_people'  ''
                                         'release'  'John Henry'
                                           'title'  'Sleeping in the Flowers'
                                           '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-3', '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'  '3'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-nerd'
                                             'bpm'  '105.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     'John Henry'
'TBPM' (BPM (beats per minute))                     '105.5'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'rock-nerd'
'TDRC' (Recording time)                             '1994'
'TDRL' (Release time)                               '1994-09-13'
'TDTG' (Tagging time)                               '2008-01-13 19:44:33'
'TIT2' (Title/songname/content description)         'Sleeping in the Flowers'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'They Might Be Giants'
'TPE2' (Band/orchestra/accompaniment)               'They Might Be Giants'
'TRCK' (Track number/Position in set)               '3'
'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'                         '19cab610-4790-4342-9e1e-b8c6915a5486'
'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'                                 '058d5554-2ee9-78d6-e35a-69b76df0a74f'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.484378'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3a3e73d6-4fb7-4547-9e51-e3b64cd71537')

========================== row from database ==========================
                                              'id'  1464144
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/They Might Be Giants/MBZ;#They Might Be Giants;#John Henry;#03;#Sleeping in the Flowers.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  270
                                           'genre'  rock-nerd
                                        'filesize'  6496084
                                           'mtime'  1621786463
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock MBZ;#They Giants;#John Henry;#03;#Sleeping rock nerd
                                      'tag_artist'  They Might Be Giants
                                     'tag_release'  John Henry
                                       'tag_title'  Sleeping in the Flowers
                                             'bpm'  105.5
                                    'search_title'  'flowers':4 'in':2 'sleeping':1 'the':3
                                   'search_artist'  'be':3 'giants':4 'might':2 'they':1
                                  'search_release'  'henry':2 'john':1
                                     'search_rest'  '00poprockelectronic':1 '03':13,16 'giants':8,10 'henry':12,15 'indierock':3 'john':9,11 'mbz':4,6 'nerd':19 'poprock':2 'rock':18 'sleeping':14,17 'they':5,7
                                    'search_combo'  '00poprockelectronic':11 '03':23,26 'be':7B 'flowers':4A 'giants':8B,18,20 'henry':10C,22,25 'in':2A 'indierock':13 'john':9C,19,21 'mbz':14,16 'might':6B 'nerd':29 'poprock':12 'rock':28 'sleeping':1A,24,27 'the':3A 'they':5B,15,17
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['quirky', 'alternative', 'rock', 'pop', 'happy']
                                        'tag_date'  1994
                                     'discogstags'  ['rock', 'alternative rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1621786463.4010503  (2021-05-23 18:14:23)
                             'size'  6496084