======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '170'
                                          'artist'  'Franco Bonfanti'
                                     'text_people'  ''
                                         'release'  "Speedball Experience: Obscure Pop Jazz From Early 70's Italian Music Library"
                                           'title'  'Ambiente Elegante'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  '[\'italian progressive rock\', "70\'s"]'
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'B4'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '101.564'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     "Speedball Experience: Obscure Pop Jazz From Early 70's Italian Music Library"
'TBPM' (BPM (beats per minute))                     '101.564'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1985-12-09'
'TIT2' (Title/songname/content description)         'Ambiente Elegante'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Franco Bonfanti'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               'B4'
'TXXX:Engineer'                                     'Piero Umiliani'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['italian progressive rock', "70's"]
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.91 dB'
'TXXX:replaygain_track_peak'                        '0.891567'

========================== row from database ==========================
                                              'id'  1533919
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Narassa - VA -- 1985 -- Speedball Experience Obscure Pop Jazz From Early 70_s Italian Music Library/B4 Franco Bonfanti - Ambiente Elegante.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  170
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  6902116
                                           'mtime'  1620532773
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Narassa VA 1985 70_s B4 prerock jb jazz unsorted
                                      'tag_artist'  Franco Bonfanti
                                     'tag_release'  Speedball Experience: Obscure Pop Jazz From Early 70's Italian Music Library
                                       'tag_title'  Ambiente Elegante
                                             'bpm'  101.564
                                    'search_title'  'ambiente':1 'elegante':2
                                   'search_artist'  'bonfanti':2 'franco':1
                                  'search_release'  '70':9 '70s':11 'early':8 'experience':2,3 'from':7 'italian':12 'jazz':6 'library':14 'music':13 'obscure':4 'pop':5 's':10 'speedball':1
                                     'search_rest'  '1985':7 '70':8 'b4':10 'country':4 'exotica':2 'jazz':1 'jb':12 'narassa':5 'oldies':3 'prerock':11 's':9 'unsorted':13 'va':6
                                    'search_combo'  '1985':25 '70':13C,26 '70s':15C 'ambiente':1A 'b4':28 'bonfanti':4B 'country':22 'early':12C 'elegante':2A 'exotica':20 'experience':6C,7C 'franco':3B 'from':11C 'italian':16C 'jazz':10C,19 'jb':30 'library':18C 'music':17C 'narassa':23 'obscure':8C 'oldies':21 'pop':9C 'prerock':29 's':14C,27 'speedball':5C 'unsorted':31 'va':24
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['italian progressive rock', "70's"]
                                        'tag_date'  1985
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620532772.622846  (2021-05-09 05:59:32)
                             'size'  6902116