======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '144'
                                          'artist'  'John Jacob Niles'
                                     'text_people'  'øשlqæda'
                                         'release'  'Eileen Aroon c120'
                                           'title'  'John Henry'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', '12', '13', 'blues', 'americana']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '143.9'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Eileen Aroon c120'
'TBPM' (BPM (beats per minute))                     '143.9'
'TCOM' (Composer)                                   'øשlqæda'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1940'
'TIT2' (Title/songname/content description)         'John Henry'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'John Jacob Niles'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'सølγ שаябlɛş TRILL 7.77'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:TREMULANT'                                    'http://holywarbles.blogspot.com'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['folk', '12', '13', 'blues', 'americana']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.90 dB'
'TXXX:replaygain_track_peak'                        '0.367933'

========================== row from database ==========================
                                              'id'  1214656
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/holy warbles/va - eileen aroon c120 [holy ghost transmissions, 2011]/02. John Henry.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  144
                                           'genre'  electronic-unsorted
                                        'filesize'  5847850
                                           'mtime'  1642340051
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm holy warbles va eileen aroon [holy ghost transmissions, 2011] 02. electronic unsorted
                                      'tag_artist'  John Jacob Niles
                                     'tag_release'  Eileen Aroon c120
                                       'tag_title'  John Henry
                                             'bpm'  143.9
                                    'search_title'  'henry':2 'john':1
                                   'search_artist'  'jacob':2 'john':1 'niles':3
                                  'search_release'  'aroon':2 'c120':3 'eileen':1
                                     'search_rest'  '02':12,13 '2011':10,11 'aroon':5 'eileen':4 'electronic':14 'ghost':7 'holy':1,6 'transmissions':8,9 'unsorted':15 'va':3 'warbles':2
                                    'search_combo'  '02':20,21 '2011':18,19 'aroon':7C,13 'c120':8C 'eileen':6C,12 'electronic':22 'ghost':15 'henry':2A 'holy':9,14 'jacob':4B 'john':1A,3B 'niles':5B 'transmissions':16,17 'unsorted':23 'va':11 'warbles':10
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['folk', '12', '13', 'blues', 'americana']
                                        'tag_date'  1940
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1642340050.5744786  (2022-01-16 14:34:10)
                             'size'  5847850