======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '90'
                                          'artist'  'Spike Jones and his City Slickers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'River Stay Away From My Door'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-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']")
                                      'lastfmtags'  "['fun', 'american', 'comedy', 'jazzysxmas', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-comedy'
                                             'bpm'  '106.587'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '106.587'
'TCON' (Content type, a.k.a. Genre)                 'prerock-comedy'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'River Stay Away From My Door'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Spike Jones and his City Slickers'
'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'                                   ['fun', 'american', 'comedy', 'jazzysxmas', 'jazz']
'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'                        '+2.45 dB'
'TXXX:replaygain_track_peak'                        '0.395597'

========================== row from database ==========================
                                              'id'  1453650
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/Spike Jones and his City Slickers - River Stay Away From My Door 1955.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  90
                                           'genre'  prerock-comedy
                                        'filesize'  1810226
                                           'mtime'  1636913872
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 prerock comedy
                                      'tag_artist'  Spike Jones and his City Slickers
                                     'tag_release'  None
                                       'tag_title'  River Stay Away From My Door
                                             'bpm'  106.587
                                    'search_title'  'away':3 'door':6 'from':4 'my':5 'river':1 'stay':2
                                   'search_artist'  'and':3 'city':5 'his':4 'jones':2 'slickers':6 'spike':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1955':6 'comedy':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':17 '1955':18 'and':9B 'away':3A 'city':11B 'comedy':20 'country':16 'door':6A 'exotica':14 'from':4A 'his':10B 'jazz':13 'jones':8B 'my':5A 'oldies':15 'prerock':19 'river':1A 'slickers':12B 'spike':7B 'stay':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['fun', 'american', 'comedy', 'jazzysxmas', 'jazz']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913871.9554114  (2021-11-14 19:17:51)
                             'size'  1810226