======================== unified (from filesystem) ========================
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                                        'duration'  '566'
                                          'artist'  'Christopher Recordings'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Problems of Growing Boys'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
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 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '137.478'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '137.478'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         'The Problems of Growing Boys'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Christopher Recordings'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'things victor would like'
'TXXX:q-bass'                                       '1'
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'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'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.84 dB'
'TXXX:replaygain_track_peak'                        '0.687584'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/0nonmusic/Morning Gym & Sex talks in 1950_z & 60_z~/Christopher Recordings - Sex Instruction [64k]/Record_3-The_Problem_With_Growing_Boys.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  566
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  4537777
                                           'mtime'  1620401353
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic Morning Gym & Sex talks 1950_z & 60_z~ Sex Instruction [64k] Record_3 The_Problem_With_Growing_Boys nonmusic speech comedy drama
                                      'tag_artist'  Christopher Recordings
                                     'tag_release'  None
                                       'tag_title'  The Problems of Growing Boys
                                             'bpm'  137.478
                                    'search_title'  'boys':5 'growing':4 'of':3 'problems':2 'the':1
                                   'search_artist'  'christopher':1 'recordings':2
                                  'search_release'  
                                     'search_rest'  '0nonmusic':1 '1950':6 '3':14 '60':8 '64k':11,12 'boys':19 'comedy':22 'drama':23 'growing':18 'gym':3 'instruction':10 'morning':2 'nonmusic':20 'problem':16 'record':13 'sex':4 'speech':21 'talks':5 'the':15 'with':17 'z':7,9
                                    'search_combo'  '0nonmusic':8 '1950':13 '3':21 '60':15 '64k':18,19 'boys':5A,26 'christopher':6B 'comedy':29 'drama':30 'growing':4A,25 'gym':10 'instruction':17 'morning':9 'nonmusic':27 'of':3A 'problem':23 'problems':2A 'record':20 'recordings':7B 'sex':11 'speech':28 'talks':12 'the':1A,22 'with':24 'z':14,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['things victor would like']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401352.8317685  (2021-05-07 17:29:12)
                             'size'  4537777