======================== unified (from filesystem) ========================
                                         'bitrate'  '32.0'
                                        'duration'  '2370'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'long distance call'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', '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'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-radio-drama'
                                             'bpm'  '108.587'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000003E 00000000 00002100 00000000 0000234E 00000000 00004466 00000000 '
 '0020FBAC 00000000')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000057A 00000000018ED5F6 00000000 0090B001 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TBPM' (BPM (beats per minute))                     '108.587'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-radio-drama'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'long distance call'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.75 dB'
'TXXX:replaygain_track_peak'                        '0.906920'

========================== row from database ==========================
                                              'id'  483088
                                            'path'  /data/Music/Bulk/0nonmusic/The Twilight Zone™ Radio Dramas [32k]/Long Distance Call - Hal Sparks.mp3
                                         'working'  None
                                         'bitrate'  32
                                    'duration_sec'  2370
                                           'genre'  nonmusic-speech-radio-drama
                                        'filesize'  9486040
                                           'mtime'  1620562237
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic The Twilight Zone™ Radio Dramas [32k] Long Distance Call Hal Sparks nonmusic speech radio drama
                                      'tag_artist'  [unknown]
                                     'tag_release'  None
                                       'tag_title'  long distance call
                                             'bpm'  108.587
                                    'search_title'  'call':3 'distance':2 'long':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  
                                     'search_rest'  '0nonmusic':1 '32k':8,9 'call':12 'distance':11 'drama':17 'dramas':7 'hal':13 'long':10 'nonmusic':15 'radio':6 'sparks':14 'speech':16 'the':2 'tm':19 'twilight':3 'zone':4,18 'zonetm':5
                                    'search_combo'  '0nonmusic':6 '32k':13,14 'call':3A,17 'distance':2A,16 'drama':22 'dramas':12 'hal':18 'long':1A,15 'nonmusic':20 'radio':11 'sparks':19 'speech':21 'the':7 'tm':24 'twilight':8 'unknown':4B,5B 'zone':9,23 'zonetm':10
                                    'tag_tracknum'  None
                                      '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-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562236.7561529  (2021-05-09 14:10:36)
                             'size'  9486040