======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '181'
                                          'artist'  '3 Jacksons'
                                     'text_people'  ''
                                         'release'  'Philips P 17380 H'
                                           'title'  'Accordeon Potpourri Nr 30 (part 2)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'mi-accordeon;prerock-instrumental'
                                             'bpm'  '131.413'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Philips P 17380 H'
'TBPM' (BPM (beats per minute))                     '131.413'
'TCON' (Content type, a.k.a. Genre)                 ['mi-accordeon', 'prerock-instrumental']
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Accordeon Potpourri Nr 30 (part 2)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               '3 Jacksons'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '-0.45 dB'
'TXXX:replaygain_track_peak'                        '0.774834'

========================== row from database ==========================
                                              'id'  1431401
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/3 Jacksons - Accordeon Potpourri Nr 30 (part 2) 1954.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  181
                                           'genre'  mi-accordeon;prerock-instrumental
                                        'filesize'  3628605
                                           'mtime'  1620528176
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 1954 mi accordeon;prerock instrumental
                                      'tag_artist'  3 Jacksons
                                     'tag_release'  Philips P 17380 H
                                       'tag_title'  Accordeon Potpourri Nr 30 (part 2)
                                             'bpm'  131.413
                                    'search_title'  '2':7,8 '30':4 'accordeon':1 'nr':3 'part':5,6 'potpourri':2
                                   'search_artist'  '3':1 'jacksons':2
                                  'search_release'  '17380':3 'h':4 'p':2 'philips':1
                                     'search_rest'  '00oldiepop':5 '1954':6 'accordeon':8,10 'country':4 'exotica':2 'instrumental':12 'jazz':1 'mi':7 'oldies':3 'prerock':9,11
                                    'search_combo'  '00oldiepop':19 '17380':13C '1954':20 '2':7A,8A '3':9B '30':4A 'accordeon':1A,22,24 'country':18 'exotica':16 'h':14C 'instrumental':26 'jacksons':10B 'jazz':15 'mi':21 'nr':3A 'oldies':17 'p':12C 'part':5A,6A 'philips':11C 'potpourri':2A 'prerock':23,25
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528175.99616  (2021-05-09 04:42:55)
                             'size'  3628605