======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '164'
                                          'artist'  'Pied Pipers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  '231 Mairzy doats - Pied Pipers (8-04-1944)'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'jazz vocal', 'jazz', 'vocal', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '231'
                                      'tracktotal'  ''
                                            'date'  '1944'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '135.637'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '135.637'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1944'
'TIT2' (Title/songname/content description)         '231 Mairzy doats - Pied Pipers (8-04-1944)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pied Pipers'
'TRCK' (Track number/Position in set)               '231'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'jazz vocal', 'jazz', 'vocal', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.422740'

========================== row from database ==========================
                                              'id'  1454876
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/231 Mairzy doats - Pied Pipers (8-04-1944).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  164
                                           'genre'  prerock-unsorted
                                        'filesize'  2630240
                                           'mtime'  1620386964
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 prerock unsorted
                                      'tag_artist'  Pied Pipers
                                     'tag_release'  None
                                       'tag_title'  231 Mairzy doats - Pied Pipers (8-04-1944)
                                             'bpm'  135.637
                                    'search_title'  '04':7 '1944':8 '231':1 '8':6 '8041944':9 'doats':3 'mairzy':2 'pied':4 'pipers':5
                                   'search_artist'  'pied':1 'pipers':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1943':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':16 '04':7A '1943':17 '1944':8A '231':1A '8':6A '8041944':9A 'country':15 'doats':3A 'exotica':13 'jazz':12 'mairzy':2A 'oldies':14 'pied':4A,10B 'pipers':5A,11B 'prerock':18 'unsorted':19
                                    'tag_tracknum'  231
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'jazz vocal', 'jazz', 'vocal', 'folk']
                                        'tag_date'  1944
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620386964.106143  (2021-05-07 13:29:24)
                             'size'  2630240