======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '146'
                                          'artist'  'Isley Brothers'
                                     'text_people'  ''
                                         'release'  "The Isley Brothers Story, Vol. 1: Rockin' Soul (1959-68)"
                                           'title'  'Shout (Part 2)'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soul', 'funk', 'motown', 'rhythm and blues', 'rnb']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '138.512'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-288b POS 47'
'COMM:ID3v1 Comment:XXX'                            '59-288b POS 47'
'TALB' (Album/Movie/Show title)                     "The Isley Brothers Story, Vol. 1: Rockin' Soul (1959-68)"
'TBPM' (BPM (beats per minute))                     '138.512'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Shout (Part 2)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Isley Brothers'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'funk', 'motown', 'rhythm and blues', 'rnb']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.420835'

========================== row from database ==========================
                                              'id'  1433949
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-288b - Isley Brothers - Shout (Part 2).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  146
                                           'genre'  prerock-unsorted
                                        'filesize'  5842327
                                           'mtime'  1620387810
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 288b prerock unsorted
                                      'tag_artist'  Isley Brothers
                                     'tag_release'  The Isley Brothers Story, Vol. 1: Rockin' Soul (1959-68)
                                       'tag_title'  Shout (Part 2)
                                             'bpm'  138.512
                                    'search_title'  '2':4,5 'part':2,3 'shout':1
                                   'search_artist'  'brothers':2 'isley':1
                                  'search_release'  '1':8,9 '1959':13 '195968':15 '68':14 'brothers':3 'isley':2 'rockin':10,11 'soul':12 'story':4,5 'the':1 'vol':6,7
                                     'search_rest'  '00oldiepop':5 '288b':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':27 '1':15C,16C '1959':20C '195968':22C '2':4A,5A '288b':28 '68':21C 'brothers':7B,10C 'country':26 'exotica':24 'isley':6B,9C 'jazz':23 'oldies':25 'part':2A,3A 'prerock':29 'rockin':17C,18C 'shout':1A 'soul':19C 'story':11C,12C 'the':8C 'unsorted':30 'vol':13C,14C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['soul', 'funk', 'motown', 'rhythm and blues', 'rnb']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387809.9708166  (2021-05-07 13:43:29)
                             'size'  5842327