======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '202'
                                          'artist'  'Endorphin'
                                     'text_people'  ''
                                         'release'  'Skin'
                                           'title'  'Heat'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-4', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'ambient']"
                                     'discogstags'  "['hardcore', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '95.080'
                                             'key'  '10B'
                                        'acoustid'  '250d77ac-a60e-44fd-86a7-f2f263a16b1f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Skin'
'TBPM' (BPM (beats per minute))                     '95.080'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-11-05'
'TIT2' (Title/songname/content description)         'Heat'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Endorphin'
'TPE2' (Band/orchestra/accompaniment)               'Endorphin'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Columbia'
'TRCK' (Track number/Position in set)               '10/12'
'TSO2'                                              'Endorphin'
'TSOP' (Performer sort order)                       'Endorphin'
'TSRC' (ISRC (international standard recording code))  'AUSMO9900256'
'TXXX:ASIN'                                         'B00004NK4U'
'TXXX:Acoustid Id'                                  '250d77ac-a60e-44fd-86a7-f2f263a16b1f'
'TXXX:Artists'                                      'Endorphin'
'TXXX:BARCODE'                                      '9399700068894'
'TXXX:CATALOGNUMBER'                                '495235.2'
'TXXX:MusicBrainz Album Artist Id'                  'a0179b4e-d19c-4420-b80b-79d90a4dce13'
'TXXX:MusicBrainz Album Id'                         '0f22586b-8b95-4128-a08b-70e1ee59367f'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a0179b4e-d19c-4420-b80b-79d90a4dce13'
'TXXX:MusicBrainz Release Group Id'                 'c8c5cf7f-1f03-317c-8f56-0123fc974863'
'TXXX:MusicBrainz Release Track Id'                 '08e39adb-df31-3f81-bd25-e196ee7396ea'
'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'                                  ['hardcore', 'electronic']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'ambient']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.531181'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f6426ed9-515d-4bde-ba1b-7a4474100f64')

========================== row from database ==========================
                                              'id'  1327708
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Endorphin/Skin/MBZ;#Endorphin;#Skin;#10;#Heat.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  202
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  3259380
                                           'mtime'  1636910472
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip MBZ;#Endorphin;#Skin;#10;#Heat electronic trip hop downtempo acid jazz
                                      'tag_artist'  Endorphin
                                     'tag_release'  Skin
                                       'tag_title'  Heat
                                             'bpm'  95.08
                                    'search_title'  'heat':1
                                   'search_artist'  'endorphin':1
                                  'search_release'  'skin':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '10':6,11 'acid':17 'downtempo':16 'electronic':13 'endorphin':4,9 'heat':7,12 'hop':15 'jazz':18 'mbz':3,8 'skin':5,10 'trip':14
                                    'search_combo'  '00poprockelectronic':4 '00trip':5 '10':9,14 'acid':20 'downtempo':19 'electronic':16 'endorphin':2B,7,12 'heat':1A,10,15 'hop':18 'jazz':21 'mbz':6,11 'skin':3C,8,13 'trip':17
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'ambient']
                                        'tag_date'  1999
                                     'discogstags'  ['hardcore', 'electronic']

============================== file details ==============================
                                           'mtime'  1636910472.1486905  (2021-11-14 18:21:12)
                             'size'  3259380