======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '158'
                                          'artist'  'Collins & Harlan'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "Crowd On McNally's Back Stoop"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1903'
                                        'comments'  ''
                                           'genre'  'prerock-ragtime'
                                             'bpm'  '138.5'
                                             'key'  '8A'
                                        '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)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '138.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-ragtime'
'TDRC' (Recording time)                             '1903'
'TIT2' (Title/songname/content description)         "Crowd On McNally's Back Stoop"
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '158000'
'TPE1' (Lead performer(s)/Soloist(s))               'Collins & Harlan'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.583329'

========================== row from database ==========================
                                              'id'  1498135
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1903/Collins & Harlan - Crowd On McNally_s Back Stoop 1903.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  158
                                           'genre'  prerock-ragtime
                                        'filesize'  3247251
                                           'mtime'  1620526288
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1903 McNally_s 1903 prerock ragtime
                                      'tag_artist'  Collins & Harlan
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Crowd On McNally's Back Stoop
                                             'bpm'  138.5
                                    'search_title'  'back':6 'crowd':1 'mc':8 'mcnally':3 'mcnallys':5 'nally':9 'nallys':11 'on':2 's':4,10 'stoop':7
                                   'search_artist'  'collins':1 'harlan':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1903':6 'country':4 'exotica':2 'jazz':1 'mc':11 'mcnally':7 'nally':12 'oldies':3 'prerock':9 'ragtime':10 's':8,13
                                    'search_combo'  '00oldiepop':23 '1903':24 'album':15C 'back':6A 'collins':12B 'country':22 'crowd':1A 'exotica':20 'harlan':13B 'jazz':19 'mc':8A,29 'mcnally':3A,25 'mcnallys':5A 'nally':9A,30 'nallys':11A 'non':14C 'nonalbum':16C 'oldies':21 'on':2A 'prerock':27 'ragtime':28 's':4A,10A,26,31 'stoop':7A 'tracks':17C,18C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1903
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526288.2480872  (2021-05-09 04:11:28)
                             'size'  3247251