======================== unified (from filesystem) ========================
                                         'bitrate'  '197.691'
                                        'duration'  '272'
                                          'artist'  'I:scintilla'
                                     'text_people'  ''
                                         'release'  'The Approach'
                                           'title'  'Scin'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['industrial metal', 'female vocalists', 'industrial', 'electronic', "
 "'industrial rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '125.083'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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')
'TALB' (Album/Movie/Show title)                     'The Approach'
'TBPM' (BPM (beats per minute))                     '125.083'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Scin'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'I:Scintilla'
'TPE2' (Band/orchestra/accompaniment)               'I:scintilla'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['industrial metal',
 'female vocalists',
 'industrial',
 'electronic',
 'industrial rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.421471'

========================== row from database ==========================
                                              'id'  1368063
                                            'path'  /data/Music/Bulk/00dwimp/I_Scintilla/The Approach/I _Scintilla_-_The_Approach_-_06_-_Scin.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  272
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  6872836
                                           'mtime'  1620296660
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp I_Scintilla _Scintilla_ _The_Approach_ _06_ _Scin eid ebm or industrial or darkwave
                                      'tag_artist'  I:scintilla
                                     'tag_release'  The Approach
                                       'tag_title'  Scin
                                             'bpm'  125.083
                                    'search_title'  'scin':1
                                   'search_artist'  'i':1 'iscintilla':3 'scintilla':2
                                  'search_release'  'approach':2 'the':1
                                     'search_rest'  '00dwimp':1 '06':7 'approach':6 'darkwave':13 'ebm':10 'eid':9 'i':2 'industrial':12 'or':11 'scin':8 'scintilla':3,4 'the':5
                                    'search_combo'  '00dwimp':7 '06':13 'approach':6C,12 'darkwave':19 'ebm':16 'eid':15 'i':2B,8 'industrial':18 'iscintilla':4B 'or':17 'scin':1A,14 'scintilla':3B,9,10 'the':5C,11
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['industrial metal', 'female vocalists', 'industrial', 'electronic', 'industrial rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620296660.4560552  (2021-05-06 12:24:20)
                             'size'  6872836