======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '224'
                                          'artist'  'Benzion Witler'
                                     'text_people'  ''
                                         'release'  'plastictango tango'
                                           'title'  'Ale Farloim'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['yiddish', 'folk', '1960', 'chilling-and-thinking-baby', 'world']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '129.398'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['collection (various artists)',
 ' 00000439 00000439 00002559 00002559 0002BF20 0002BF20 00005DF0 00005DF0 '
 '0002BF20 0002BF20']
'COMM:ID3v1 Comment:XXX'                            'collection (various artists)'
'TALB' (Album/Movie/Show title)                     'plastictango tango'
'TBPM' (BPM (beats per minute))                     '129.398'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Ale Farloim'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Benzion Witler'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:MP3GAIN_MINMAX'                               '000,176'
'TXXX:MP3GAIN_UNDO'                                 '+006,+006,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['yiddish', 'folk', '1960', 'chilling-and-thinking-baby', 'world']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.27 dB'
'TXXX:replaygain_track_peak'                        '0.354148'

========================== row from database ==========================
                                              'id'  240195
                                            'path'  /data/Music/Bulk/00localcharacter/plastictango/tango/tango 109.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  224
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  5396628
                                           'mtime'  1620528448
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 109 loc style or milonga
                                      'tag_artist'  Benzion Witler
                                     'tag_release'  plastictango tango
                                       'tag_title'  Ale Farloim
                                             'bpm'  129.398
                                    'search_title'  'ale':1 'farloim':2
                                   'search_artist'  'benzion':1 'witler':2
                                  'search_release'  'plastictango':1 'tango':2
                                     'search_rest'  '109':1 'loc':2 'milonga':5 'or':4 'style':3
                                    'search_combo'  '109':7 'ale':1A 'benzion':3B 'farloim':2A 'loc':8 'milonga':11 'or':10 'plastictango':5C 'style':9 'tango':6C 'witler':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['yiddish', 'folk', '1960', 'chilling-and-thinking-baby', 'world']
                                        'tag_date'  2001
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620528448.335358  (2021-05-09 04:47:28)
                             'size'  5396628