======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '161'
                                          'artist'  'Sportsmen'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'What did you do in the Infantry'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['disney', 'surf', 'surf rock', 'rock and roll', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '125'
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '117.398'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '117.398'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         'What did you do in the Infantry'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sportsmen'
'TRCK' (Track number/Position in set)               '125'
'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:lastfmtags'                                   ['disney', 'surf', 'surf rock', 'rock and roll', '60s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.549506'

========================== row from database ==========================
                                              'id'  1455658
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/125 What did you do in the Infantry - Sportsmen (23-10-1943).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  161
                                           'genre'  prerock-unsorted
                                        'filesize'  2592624
                                           'mtime'  1621698056
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 125 (23 10 1943) prerock unsorted
                                      'tag_artist'  Sportsmen
                                     'tag_release'  None
                                       'tag_title'  What did you do in the Infantry
                                             'bpm'  117.398
                                    'search_title'  'did':2 'do':4 'in':5 'infantry':7 'the':6 'what':1 'you':3
                                   'search_artist'  'sportsmen':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '125':7 '1943':6,10 '23':8,9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':11 'unsorted':12
                                    'search_combo'  '00oldiepop':13 '125':15 '1943':14,18 '23':16,17 'country':12 'did':2A 'do':4A 'exotica':10 'in':5A 'infantry':7A 'jazz':9 'oldies':11 'prerock':19 'sportsmen':8B 'the':6A 'unsorted':20 'what':1A 'you':3A
                                    'tag_tracknum'  125
                                      'num_images'  0
                                             'key'  3B
                                           '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-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['disney', 'surf', 'surf rock', 'rock and roll', '60s']
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698055.59281  (2021-05-22 17:40:55)
                             'size'  2592624