======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '192'
                                          'artist'  "Rudy Wiedoeft's Blue Ribbon Trio"
                                     'text_people'  ''
                                         'release'  'Okeh  4796'
                                           'title'  "Love's Ship (damaged original)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1923'
                                        'comments'  ''
                                           'genre'  'prerock-ragtime'
                                             'bpm'  '128.658'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Okeh  4796'
'TBPM' (BPM (beats per minute))                     '128.658'
'TCON' (Content type, a.k.a. Genre)                 'prerock-ragtime'
'TDRC' (Recording time)                             '1923'
'TIT2' (Title/songname/content description)         "Love's Ship (damaged original)"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               "Rudy Wiedoeft's Blue Ribbon Trio"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'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'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.13 dB'
'TXXX:replaygain_track_peak'                        '0.562010'

========================== row from database ==========================
                                              'id'  1504840
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1923/Rudy Wiedoeft_s Blue Ribbon Trio - Love_s Ship (damaged original) -3-1923.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  192
                                           'genre'  prerock-ragtime
                                        'filesize'  3854910
                                           'mtime'  1620527218
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1923 Wiedoeft_s Love_s 3 1923 prerock ragtime
                                      'tag_artist'  Rudy Wiedoeft's Blue Ribbon Trio
                                     'tag_release'  Okeh  4796
                                       'tag_title'  Love's Ship (damaged original)
                                             'bpm'  128.658
                                    'search_title'  'damaged':5,6 'love':1 'loves':3 'original':7,8 's':2 'ship':4
                                   'search_artist'  'blue':5 'ribbon':6 'rudy':1 's':3 'trio':7 'wiedoeft':2 'wiedoefts':4
                                  'search_release'  '4796':2 'okeh':1
                                     'search_rest'  '00oldiepop':5 '1923':6 '3':11 'country':4 'exotica':2 'jazz':1 'love':9 'oldies':3 'prerock':12 'ragtime':13 's':8,10 'wiedoeft':7
                                    'search_combo'  '00oldiepop':22 '1923':23 '3':28 '4796':17C 'blue':13B 'country':21 'damaged':5A,6A 'exotica':19 'jazz':18 'love':1A,26 'loves':3A 'okeh':16C 'oldies':20 'original':7A,8A 'prerock':29 'ragtime':30 'ribbon':14B 'rudy':9B 's':2A,11B,25,27 'ship':4A 'trio':15B 'wiedoeft':10B,24 'wiedoefts':12B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1923
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527218.1071234  (2021-05-09 04:26:58)
                             'size'  3854910