======================== unified (from filesystem) ========================
                                         'bitrate'  '203.755'
                                        'duration'  '166'
                                          'artist'  'Colleen'
                                     'text_people'  ''
                                         'release'  'Everyone Alive Wants Answers'
                                           'title'  'Your Heart on Your Sleeve'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'french', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'leftfield', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '105.094'
                                             'key'  '1B'
                                        'acoustid'  '8bea0759-042f-4c95-809a-08daabea6d61'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Everyone Alive Wants Answers'
'TBPM' (BPM (beats per minute))                     '105.094'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-06-30'
'TIT2' (Title/songname/content description)         'Your Heart on Your Sleeve'
'TKEY' (Initial key)                                '1B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Colleen'
'TPE2' (Band/orchestra/accompaniment)               'Colleen'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Leaf'
'TRCK' (Track number/Position in set)               '4/13'
'TSO2'                                              'Colleen'
'TSOP' (Performer sort order)                       'Colleen'
'TSRC' (ISRC (international standard recording code))  'GBCKB0300404'
'TXXX:ASIN'                                         'B00009VZ8M'
'TXXX:Acoustid Id'                                  '8bea0759-042f-4c95-809a-08daabea6d61'
'TXXX:BARCODE'                                      '666017058320'
'TXXX:CATALOGNUMBER'                                'BAY 31 CD'
'TXXX:MusicBrainz Album Artist Id'                  'e68f711c-f0ba-4e5d-bc59-dad57afeb27c'
'TXXX:MusicBrainz Album Id'                         'c49bf7ae-7d14-486d-aca0-679116572b94'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e68f711c-f0ba-4e5d-bc59-dad57afeb27c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'experimental']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'french', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.423940'

========================== row from database ==========================
                                              'id'  1305817
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Colleen - 2003 - Everyone Alive Wants Answers (Leaf) [220kvbr]/04 - colleen - your heart on your sleeve.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  166
                                           'genre'  electronic
                                        'filesize'  4366804
                                           'mtime'  1636913098
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 2003 (Leaf) [220kvbr] 04 colleen your heart your sleeve electronic
                                      'tag_artist'  Colleen
                                     'tag_release'  Everyone Alive Wants Answers
                                       'tag_title'  Your Heart on Your Sleeve
                                             'bpm'  105.094
                                    'search_title'  'heart':2 'on':3 'sleeve':4 'your':1
                                   'search_artist'  'colleen':1
                                  'search_release'  'alive':2 'answers':4 'everyone':1 'wants':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2003':3 '220kvbr':6,7 'colleen':8 'electronic':12 'heart':10 'leaf':4,5 'sleeve':11 'your':9
                                    'search_combo'  '00calmer':11 '00poprockelectronic':10 '2003':12 '220kvbr':15,16 'alive':7C 'answers':9C 'colleen':5B,17 'electronic':21 'everyone':6C 'heart':2A,19 'leaf':13,14 'on':3A 'sleeve':4A,20 'wants':8C 'your':1A,18
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['electronica', 'electronic', 'french', 'experimental', 'ambient']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'leftfield', 'experimental']

============================== file details ==============================
                                           'mtime'  1636913097.8095613  (2021-11-14 19:04:57)
                             'size'  4366804