======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '287'
                                          'artist'  'Deadstar Assembly'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'F*cked (Just Like You)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['industrial metal', 'industrial', 'metal', 'gothic', 'industrial rock', "
 "'electronic']")
                                     'discogstags'  "['industrial', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'eid-metal-industrial'
                                             'bpm'  '106.925'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00002002 00001F5F 00005F95 00'
'COMM:iTunNORM:eng'                                 (' 00002002 00001F5F 00005F95 0000554A 00041EF5 00033467 00008000 00008000 '
 '00002755 00002755')
'TBPM' (BPM (beats per minute))                     '106.925'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-industrial'
'TIT2' (Title/songname/content description)         'F*cked (Just Like You)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deadstar Assembly'
'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:discogstags'                                  ['industrial', 'rock']
'TXXX:lastfmtags'                                   ['industrial metal',
 'industrial',
 'metal',
 'gothic',
 'industrial rock',
 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.36 dB'
'TXXX:replaygain_track_peak'                        '0.505716'

========================== row from database ==========================
                                              'id'  1306032
                                            'path'  /data/Music/Bulk/00poprockelectronic/Deadstar Assembly/Unknown Album/F_cked (Just Like You).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  287
                                           'genre'  eid-metal-industrial
                                        'filesize'  4609155
                                           'mtime'  1620311077
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unknown Album F_cked eid metal industrial
                                      'tag_artist'  Deadstar Assembly
                                     'tag_release'  None
                                       'tag_title'  F*cked (Just Like You)
                                             'bpm'  106.925
                                    'search_title'  'cked':2 'f':1 'fcked':3 'just':4,5 'like':6 'you':7,8
                                   'search_artist'  'assembly':2 'deadstar':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'album':3 'cked':5 'eid':6 'f':4 'industrial':8 'metal':7 'unknown':2
                                    'search_combo'  '00poprockelectronic':11 'album':13 'assembly':10B 'cked':2A,15 'deadstar':9B 'eid':16 'f':1A,14 'fcked':3A 'industrial':18 'just':4A,5A 'like':6A 'metal':17 'unknown':12 'you':7A,8A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial metal', 'industrial', 'metal', 'gothic', 'industrial rock', 'electronic']
                                        'tag_date'  
                                     'discogstags'  ['industrial', 'rock']

============================== file details ==============================
                                           'mtime'  1620311076.8892384  (2021-05-06 16:24:36)
                             'size'  4609155