======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '154'
                                          'artist'  'Ralph Marterie'
                                     'text_people'  ''
                                         'release'  'Songs From Obscurity: Rare Tracks  Disc 2'
                                           'title'  'Prociutto'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['easy listening', 'big band', 'trumpet', '50s', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '143.925'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Songs From Obscurity: Rare Tracks  Disc 2'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Prociutto'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ralph Marterie'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['easy listening', 'big band', 'trumpet', '50s', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.42 dB'
'TXXX:replaygain_track_peak'                        '0.290711'

========================== row from database ==========================
                                              'id'  768852
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Ralph Marterie - Prociutto.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  154
                                           'genre'  set-th-novelty
                                        'filesize'  2556447
                                           'mtime'  1620343090
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Ralph Marterie
                                     'tag_release'  Songs From Obscurity: Rare Tracks  Disc 2
                                       'tag_title'  Prociutto
                                             'bpm'  143.925
                                    'search_title'  'prociutto':1
                                   'search_artist'  'marterie':2 'ralph':1
                                  'search_release'  '2':8 'disc':7 'from':2 'obscurity':3,4 'rare':5 'songs':1 'tracks':6
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':12 'oldies':3 'set':10 'th':11 'zimelis':5
                                    'search_combo'  '2':11C 'baby':19,20 'chow':17,18 'country':15 'disc':10C 'exotica':13 'from':5C 'jazz':12 'marterie':3B 'novelty':23 'obscurity':6C,7C 'oldies':14 'prociutto':1A 'ralph':2B 'rare':8C 'set':21 'songs':4C 'th':22 'tracks':9C 'zimelis':16
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['easy listening', 'big band', 'trumpet', '50s', 'swing']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343090.0205078  (2021-05-07 01:18:10)
                             'size'  2556447