======================== unified (from filesystem) ========================
                                         'bitrate'  '180.224'
                                        'duration'  '107'
                                          'artist'  'Stuna'
                                     'text_people'  ''
                                         'release'  'Multi Media Masturbation'
                                           'title'  'M.M.M.'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['post-punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '93.760'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'B00AC50E'
'COMM:ID3v1 Comment:XXX'                            'B00AC50E'
'TALB' (Album/Movie/Show title)                     'Multi Media Masturbation'
'TBPM' (BPM (beats per minute))                     '93.760'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'M.M.M.'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Stuna'
'TRCK' (Track number/Position in set)               '1/14'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'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'                                  ['post-punk', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.622098'

========================== row from database ==========================
                                              'id'  1398928
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Stuna/Multi Media Masturbation/Stuna - M.M.M..mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  107
                                           'genre'  eid-metal
                                        'filesize'  2428222
                                           'mtime'  1620301384
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal
                                      'tag_artist'  Stuna
                                     'tag_release'  Multi Media Masturbation
                                       'tag_title'  M.M.M.
                                             'bpm'  93.76
                                    'search_title'  'm':1,2,3 'mmm':4
                                   'search_artist'  'stuna':1
                                  'search_release'  'masturbation':3 'media':2 'multi':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':9 '00metal':10 'eid':11 'm':1A,2A,3A 'masturbation':8C 'media':7C 'metal':12 'mmm':4A 'multi':6C 'stuna':5B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', '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-2', 'q-chart-1', 'q-other-3', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  []
                                        'tag_date'  1996
                                     'discogstags'  ['post-punk', 'rock']

============================== file details ==============================
                                           'mtime'  1620301384.315413  (2021-05-06 13:43:04)
                             'size'  2428222