======================== unified (from filesystem) ========================
                                         'bitrate'  '178.7'
                                        'duration'  '47'
                                          'artist'  'Casiotone for the Painfully Alone'
                                     'text_people'  ''
                                         'release'  'Etiquette'
                                           'title'  "Happy Mother's Day"
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indietronica', 'lo fi', 'electronic', 'indie pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '141'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000B0C 00000D7B 00001844'
'COMM:iTunNORM:eng'                                 (' 00000B0C 00000D7B 00001844 00002A6D 0000110C 00001123 0000717D 00007336 '
 '0000941B 00006ECA')
'TALB' (Album/Movie/Show title)                     'Etiquette'
'TBPM' (BPM (beats per minute))                     '141'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-03-07'
'TENC' (Encoded by)                                 'dogzilla'
'TIT2' (Title/songname/content description)         "Happy Mother's Day"
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Casiotone for the Painfully Alone'
'TPE2' (Band/orchestra/accompaniment)               'Casiotone for the Painfully Alone'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Tomlab'
'TRCK' (Track number/Position in set)               '7/12'
'TSO2'                                              'Casiotone for the Painfully Alone'
'TSOP' (Performer sort order)                       'Casiotone for the Painfully Alone'
'TXXX:ASIN'                                         'B000E6ULNQ'
'TXXX:Artists'                                      'Casiotone for the Painfully Alone'
'TXXX:CATALOGNUMBER'                                'tom 65'
'TXXX:MusicBrainz Album Artist Id'                  '73d882c7-1146-4012-a61b-a3b2c11fce2f'
'TXXX:MusicBrainz Album Id'                         '50008e48-e5db-4e3f-a5c1-836089d5ee7f'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '73d882c7-1146-4012-a61b-a3b2c11fce2f'
'TXXX:MusicBrainz Release Group Id'                 'a09a12bc-a188-340c-80ab-cf6641d98f6f'
'TXXX:MusicBrainz Release Track Id'                 '4d7ab7c9-0b8b-3ff8-885f-f63c0b21b375'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'indietronica', 'lo fi', 'electronic', 'indie pop']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.80 dB'
'TXXX:replaygain_track_peak'                        '0.436546'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b7c13146-c786-4953-a686-1da36968068f')

========================== row from database ==========================
                                              'id'  1501439
                                            'path'  /data/Music/Bulk/00poprockelectronic/Casiotone For The Painfully Alone/Etiquette/07 happy mother_s day.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  47
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  1110080
                                           'mtime'  1637330466
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic For The 07 happy mother_s day ifs songwriter experimental
                                      'tag_artist'  Casiotone for the Painfully Alone
                                     'tag_release'  Etiquette
                                       'tag_title'  Happy Mother's Day
                                             'bpm'  141.0
                                    'search_title'  'day':5 'happy':1 'mother':2 'mothers':4 's':3
                                   'search_artist'  'alone':5 'casiotone':1 'for':2 'painfully':4 'the':3
                                  'search_release'  'etiquette':1
                                     'search_rest'  '00poprockelectronic':1 'day':7 'experimental':10 'for':2 'happy':4 'ifs':8 'mother':5 's':6 'songwriter':9 'the':3
                                    'search_combo'  '00poprockelectronic':12 'alone':10B 'casiotone':6B 'day':5A,18 'etiquette':11C 'experimental':21 'for':7B,13 'happy':1A,15 'ifs':19 'mother':2A,16 'mothers':4A 'painfully':9B 's':3A,17 'songwriter':20 'the':8B,14
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indietronica', 'lo fi', 'electronic', 'indie pop']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330466.0930853  (2021-11-19 15:01:06)
                             'size'  1110080