======================== unified (from filesystem) ========================
                                         'bitrate'  '183.2'
                                        'duration'  '171'
                                          'artist'  'M.A.S.H.'
                                     'text_people'  ''
                                         'release'  'Woodstock Generation Vol. 2'
                                           'title'  'Suicide Is Painless'
                                           'quals'  ("['Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-syn-2', "
 "'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['thrash metal', 'polish', 'groove metal', 'classic rock', 'suicide is "
 "painless']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '16'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '115.854'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'F20EB310'
'COMM:ID3v1 Comment:XXX'                            'F20EB310'
'TALB' (Album/Movie/Show title)                     'Woodstock Generation Vol. 2'
'TBPM' (BPM (beats per minute))                     '115.854'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Suicide Is Painless'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'M.A.S.H.'
'TRCK' (Track number/Position in set)               '11/16'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['thrash metal',
 'polish',
 'groove metal',
 'classic rock',
 'suicide is painless']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.589480'

========================== row from database ==========================
                                              'id'  1337980
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/M.A.S.H. - Suicide Is Painless.mp3
                                         'working'  None
                                         'bitrate'  183
                                    'duration_sec'  171
                                           'genre'  rock-unsorted
                                        'filesize'  3939273
                                           'mtime'  1620392334
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] rock unsorted
                                      'tag_artist'  M.A.S.H.
                                     'tag_release'  Woodstock Generation Vol. 2
                                       'tag_title'  Suicide Is Painless
                                             'bpm'  115.854
                                    'search_title'  'is':2 'painless':3 'suicide':1
                                   'search_artist'  'a':2 'h':4 'm':1 'mash':5 's':3
                                  'search_release'  '2':5 'generation':2 'vol':3,4 'woodstock':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'rock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':14 '2':13C 'a':5B 'files':18,19 'generation':10C 'h':7B 'is':2A 'loose':16,17 'm':4B 'mash':8B 'painless':3A 'rock':20 's':6B 'suicide':1A 'unsorted':15 'vol':11C,12C 'woodstock':9C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['thrash metal', 'polish', 'groove metal', 'classic rock', 'suicide is painless']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392333.8539917  (2021-05-07 14:58:53)
                             'size'  3939273