======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '307'
                                          'artist'  'Four Tet'
                                     'text_people'  ''
                                         'release'  'Rounds'
                                           'title'  'My Angel Rocks Back and Forth'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'instrumental', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic', 'leftfield', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '121'
                                             'key'  '4A'
                                        'acoustid'  '905c3c0d-12bf-42d1-b9bc-993cea926660'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Rounds'
'TBPM' (BPM (beats per minute))                     '121'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'electronic-unsorted']
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'My Angel Rocks Back and Forth'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Four Tet'
'TPE2' (Band/orchestra/accompaniment)               'Four Tet'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Spunk!'
'TRCK' (Track number/Position in set)               '4/10'
'TSO2'                                              'Four Tet'
'TSOP' (Performer sort order)                       'Four Tet'
'TSRC' (ISRC (international standard recording code))  'GBCEL0300061'
'TXXX:Acoustid Id'                                  '905c3c0d-12bf-42d1-b9bc-993cea926660'
'TXXX:Artists'                                      'Four Tet'
'TXXX:CATALOGNUMBER'                                'URA095'
'TXXX:MusicBrainz Album Artist Id'                  '3bcff06f-675a-451f-9075-99e8657047e8'
'TXXX:MusicBrainz Album Id'                         '1b0eebe9-c639-367a-bb7b-80bcce5e1d56'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3bcff06f-675a-451f-9075-99e8657047e8'
'TXXX:MusicBrainz Release Group Id'                 'cf688036-4ffa-36f5-ab81-9c7efecf63cd'
'TXXX:MusicBrainz Release Track Id'                 'ce2bc04a-ba57-3fb9-ad41-3fece9334f99'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'experimental']
'TXXX:lastfmtags'                                   ['electronica', 'instrumental', 'idm', 'electronic', 'experimental']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.532881'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c744f420-d7a2-4402-bec2-e9e0d8b860e3')

========================== row from database ==========================
                                              'id'  1338201
                                            'path'  /data/Music/Bulk/00poprockelectronic/Four Tet/Rounds/04 - Four Tet - My angel rocks back and forth.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  307
                                           'genre'  electronic-unsorted
                                        'filesize'  7420030
                                           'mtime'  1621509067
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 angel rocks back forth electronic unsorted
                                      'tag_artist'  Four Tet
                                     'tag_release'  Rounds
                                       'tag_title'  My Angel Rocks Back and Forth
                                             'bpm'  121.0
                                    'search_title'  'and':5 'angel':2 'back':4 'forth':6 'my':1 'rocks':3
                                   'search_artist'  'four':1 'tet':2
                                  'search_release'  'rounds':1
                                     'search_rest'  '00poprockelectronic':1 'angel':2 'back':4 'electronic':6 'forth':5 'rocks':3 'unsorted':7
                                    'search_combo'  '00poprockelectronic':10 'and':5A 'angel':2A,11 'back':4A,13 'electronic':15 'forth':6A,14 'four':7B 'my':1A 'rocks':3A,12 'rounds':9C 'tet':8B 'unsorted':16
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'instrumental', 'idm', 'electronic', 'experimental']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'leftfield', 'experimental']

============================== file details ==============================
                                           'mtime'  1621509067.462315  (2021-05-20 13:11:07)
                             'size'  7420030