======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '174'
                                          'artist'  'POLYSICS'
                                     'text_people'  ''
                                         'release'  'Now is the Time!'
                                           'title'  'Rain Rain Rain'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new wave', 'rock', 'electronic', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  ('loc-asia-japan;rock-gr-punk-jpunk;electronic-we-synthpunk;loc-asia-japan-jrock;electronic-we-new '
 'wave or post punk')
                                             'bpm'  '110.003'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000039D2 00001796 0000899C'
'COMM:iTunNORM:eng'                                 (' 000039D2 00001796 0000899C 000039E1 0001ADDE 00015FBE 00008000 00008000 '
 '0000EA8E 00015F90')
'MCDI' (Music CD identifier)                        MCDI(data=b'F\x00+\x009\x006\x00+\x003\x002\x000\x00F\x00+\x006\x00A\x00F\x000\x00+\x00A\x002\x008\x006\x00+\x00D\x009\x00C\x007\x00+\x001\x001\x001\x00F\x003\x00+\x001\x003\x009\x007\x002\x00+\x001\x005\x00C\x00C\x005\x00+\x001\x009\x004\x006\x00A\x00+\x001\x00C\x009\x00E\x004\x00+\x001\x00F\x00C\x00D\x008\x00+\x002\x002\x00E\x00D\x005\x00+\x002\x006\x001\x00F\x00E\x00+\x002\x00A\x005\x000\x00A\x00+\x002\x00D\x006\x001\x008\x00+\x002\x00F\x00B\x00A\x005\x00\x00\x00')
'PRIV:AverageLevel:Q(\x00\x00'                      PRIV(owner='AverageLevel', data=b'Q(\x00\x00')
'PRIV:PeakValue:ì}\x00\x00'                         PRIV(owner='PeakValue', data=b'\xec}\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Now is the Time!'
'TBPM' (BPM (beats per minute))                     '110.003'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan',
 'rock-gr-punk-jpunk',
 'electronic-we-synthpunk',
 'loc-asia-japan-jrock',
 'electronic-we-new wave or post punk']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Rain Rain Rain'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '174626'
'TPE1' (Lead performer(s)/Soloist(s))               'POLYSICS'
'TPE2' (Band/orchestra/accompaniment)               'POLYSICS'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['new wave', 'rock', 'electronic', 'japanese', 'j rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.12 dB'
'TXXX:replaygain_track_peak'                        '0.303346'

========================== row from database ==========================
                                              'id'  935571
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/POLYSICS/[2005] Now is the Time!/16 Rain Rain Rain.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  174
                                           'genre'  loc-asia-japan;rock-gr-punk-jpunk;electronic-we-synthpunk;loc-asia-japan-jrock;electronic-we-new wave or post punk
                                        'filesize'  5650047
                                           'mtime'  1620531069
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2005] 16 loc asia japan;rock gr punk jpunk;electronic we synthpunk;loc asia japan jrock;electronic we new wave or post punk
                                      'tag_artist'  POLYSICS
                                     'tag_release'  Now is the Time!
                                       'tag_title'  Rain Rain Rain
                                             'bpm'  110.003
                                    'search_title'  'rain':1
                                   'search_artist'  'polysics':1
                                  'search_release'  'is':2 'now':1 'the':3 'time':4
                                     'search_rest'  '00asia':1 '2005':2,3 'asia':5 'electronic':13,15,23,25 'gr':10 'japan':6,8,21 'jpunk':12,14 'jrock':22,24 'loc':4,18,20 'new':26 'or':28 'post':29 'punk':11 'rock':7,9 'synthpunk':17,19 'wave':27 'we':16
                                    'search_combo'  '00asia':7 '2005':8,9 'asia':11 'electronic':19,21,29,31 'gr':16 'is':4C 'japan':12,14,27 'jpunk':18,20 'jrock':28,30 'loc':10,24,26 'new':32 'now':3C 'or':34 'polysics':2B 'post':35 'punk':17 'rain':1A 'rock':13,15 'synthpunk':23,25 'the':5C 'time':6C 'wave':33 'we':22
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['new wave', 'rock', 'electronic', 'japanese', 'j rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531068.7491279  (2021-05-09 05:31:08)
                             'size'  5650047