======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '319'
                                          'artist'  'Charlie Kunz'
                                     'text_people'  ''
                                         'release'  'Decca F 7277'
                                           'title'  'Charlie Kunz Wartime Piano Medley'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['soundtrack', 'american', 'need to rate', 'scrobbled from vinyl', '3 stars']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1942'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '114.2'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Decca F 7277'
'TBPM' (BPM (beats per minute))                     '114.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1942'
'TIT2' (Title/songname/content description)         'Charlie Kunz Wartime Piano Medley'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '319000'
'TPE1' (Lead performer(s)/Soloist(s))               'Charlie Kunz'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'american', 'need to rate', 'scrobbled from vinyl', '3 stars']
'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'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.61 dB'
'TXXX:replaygain_track_peak'                        '0.632845'

========================== row from database ==========================
                                              'id'  1470053
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1942/Charlie Kunz - Charlie Kunz Wartime Piano Medley 1942.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  319
                                           'genre'  prerock-swing
                                        'filesize'  6432288
                                           'mtime'  1620573960
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1942 1942 prerock swing
                                      'tag_artist'  Charlie Kunz
                                     'tag_release'  Decca F 7277
                                       'tag_title'  Charlie Kunz Wartime Piano Medley
                                             'bpm'  114.2
                                    'search_title'  'charlie':1 'kunz':2 'medley':5 'piano':4 'wartime':3
                                   'search_artist'  'charlie':1 'kunz':2
                                  'search_release'  '7277':3 'decca':1 'f':2
                                     'search_rest'  '00oldiepop':5 '1942':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'swing':8
                                    'search_combo'  '00oldiepop':15 '1942':16 '7277':10C 'charlie':1A,6B 'country':14 'decca':8C 'exotica':12 'f':9C 'jazz':11 'kunz':2A,7B 'medley':5A 'oldies':13 'piano':4A 'prerock':17 'swing':18 'wartime':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', 'american', 'need to rate', 'scrobbled from vinyl', '3 stars']
                                        'tag_date'  1942
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573960.1397119  (2021-05-09 17:26:00)
                             'size'  6432288