======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '473'
                                          'artist'  'Christopher Recordings'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'How Babies Are Made'
                                           'quals'  ("['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-2', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['things victor would like']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '94.680'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '94.680'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         'How Babies Are Made'
'TKEY' (Initial key)                                '9A'
'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'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.440187'

========================== row from database ==========================
                                              'id'  1523944
                                            'path'  /data/Music/Bulk/0nonmusic/Morning Gym & Sex talks in 1950_z & 60_z~/Christopher Recordings - Sex Instruction [64k]/Record_1-How_Babies_Are_Born.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  473
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  3788294
                                           'mtime'  1620401352
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic Morning Gym & Sex talks 1950_z & 60_z~ Sex Instruction [64k] Record_1 How_Babies_Are_Born nonmusic speech comedy drama
                                      'tag_artist'  Christopher Recordings
                                     'tag_release'  None
                                       'tag_title'  How Babies Are Made
                                             'bpm'  94.68
                                    'search_title'  'are':3 'babies':2 'how':1 'made':4
                                   'search_artist'  'christopher':1 'recordings':2
                                  'search_release'  
                                     'search_rest'  '0nonmusic':1 '1':14 '1950':6 '60':8 '64k':11,12 'are':17 'babies':16 'born':18 'comedy':21 'drama':22 'gym':3 'how':15 'instruction':10 'morning':2 'nonmusic':19 'record':13 'sex':4 'speech':20 'talks':5 'z':7,9
                                    'search_combo'  '0nonmusic':7 '1':20 '1950':12 '60':14 '64k':17,18 'are':3A,23 'babies':2A,22 'born':24 'christopher':5B 'comedy':27 'drama':28 'gym':9 'how':1A,21 'instruction':16 'made':4A 'morning':8 'nonmusic':25 'record':19 'recordings':6B 'sex':10 'speech':26 'talks':11 'z':13,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['things victor would like']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401352.0526745  (2021-05-07 17:29:12)
                             'size'  3788294