======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '169'
                                          'artist'  'Firm'
                                     'text_people'  ''
                                         'release'  '50 Greatest Classic Rock Guitar Songs Vol.2'
                                           'title'  'Radioactive (single version)'
                                           'quals'  ("['Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'hard rock', 'rock', 'hip-hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '106.196'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'BY SEVMAKC'
'COMM:ID3v1 Comment:XXX'                            'BY SEVMAKC'
'TALB' (Album/Movie/Show title)                     '50 Greatest Classic Rock Guitar Songs Vol.2'
'TBPM' (BPM (beats per minute))                     '106.196'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Radioactive (single version)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Firm'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classic rock', 'hard rock', 'rock', 'hip-hop', 'rap']
'TXXX:other'                                        'A'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.74 dB'
'TXXX:replaygain_track_peak'                        '0.675460'

========================== row from database ==========================
                                              'id'  1283450
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/040-A Firm - Radioactive (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  169
                                           'genre'  rock-unsorted
                                        'filesize'  7196269
                                           'mtime'  1620389088
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 040 A rock unsorted
                                      'tag_artist'  Firm
                                     'tag_release'  50 Greatest Classic Rock Guitar Songs Vol.2
                                       'tag_title'  Radioactive (single version)
                                             'bpm'  106.196
                                    'search_title'  'radioactive':1 'single':2,3 'version':4,5
                                   'search_artist'  'firm':1
                                  'search_release'  '2':8 '50':1 'classic':3 'greatest':2 'guitar':5 'rock':4 'songs':6 'vol':7 'vol2':9
                                     'search_rest'  '00poprockelectronic':1 '1985':2 'a':4 'complete':3 'rock':5 'unsorted':6
                                    'search_combo'  '00poprockelectronic':16 '1985':17 '2':14C '50':7C 'a':19 'classic':9C 'complete':18 'firm':6B 'greatest':8C 'guitar':11C 'radioactive':1A 'rock':10C,20 'single':2A,3A 'songs':12C 'unsorted':21 'version':4A,5A 'vol':13C 'vol2':15C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', 'hard rock', 'rock', 'hip-hop', 'rap']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620389088.3046567  (2021-05-07 14:04:48)
                             'size'  7196269