======================== unified (from filesystem) ========================
                                         'bitrate'  '24.0'
                                        'duration'  '1502'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'The Shadow Radio Recordings'
                                           'title'  '38-09-11TheCavernsOfDeath'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1938'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '125.006'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Shadow Radio Recordings'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TDRC' (Recording time)                             '1938'
'TIT2' (Title/songname/content description)         '38-09-11TheCavernsOfDeath'
'TKEY' (Initial key)                                '11A'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '+1.12 dB'
'TXXX:replaygain_track_peak'                        '0.667374'

========================== row from database ==========================
                                              'id'  949799
                                            'path'  /data/Music/Bulk/0nonmusic/RkoOrsonWelles-TheShadow-RadioRecodings/TheShadow38-09-11TheCavernsOfDeath.mp3
                                         'working'  None
                                         'bitrate'  24
                                    'duration_sec'  1502
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  4509672
                                           'mtime'  1621853408
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic RkoOrsonWelles TheShadow RadioRecodings TheShadow38 nonmusic speech comedy drama
                                      'tag_artist'  None
                                     'tag_release'  The Shadow Radio Recordings
                                       'tag_title'  38-09-11TheCavernsOfDeath
                                             'bpm'  125.006
                                    'search_title'  '09':2,6 '11the':7 '11thecavernsofdeath':3 '38':1,5 '380911the':8 '380911thecavernsofdeath':4 'caverns':9 'death':11 'of':10
                                   'search_artist'  None
                                  'search_release'  'radio':3 'recordings':4 'shadow':2 'the':1
                                     'search_rest'  '0nonmusic':1 'comedy':8 'drama':9 'nonmusic':6 'orson':11 'radio':15 'radiorecodings':4 'recodings':16 'rko':10 'rkoorsonwelles':2 'shadow':14 'shadow38':17 'speech':7 'the':13 'theshadow':3 'theshadow38':5 'welles':12
                                    'search_combo'  '09':2A,6A '0nonmusic':16 '11the':7A '11thecavernsofdeath':3A '38':1A,5A '380911the':8A '380911thecavernsofdeath':4A 'caverns':9A 'comedy':23 'death':11A 'drama':24 'nonmusic':21 'of':10A 'orson':26 'radio':14C,30 'radiorecodings':19 'recodings':31 'recordings':15C 'rko':25 'rkoorsonwelles':17 'shadow':13C,29 'shadow38':32 'speech':22 'the':12C,28 'theshadow':18 'theshadow38':20 'welles':27
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           '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-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1938
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853408.116315  (2021-05-24 12:50:08)
                             'size'  4509672