======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '561'
                                          'artist'  'Christopher Recordings'
                                     'text_people'  ''
                                         'release'  '?'
                                           'title'  'Record 4-The Marriage Union'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'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'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '137.385'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '?'
'TBPM' (BPM (beats per minute))                     '137.385'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Record 4-The Marriage Union'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Christopher Recordings'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'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'                        '+2.21 dB'
'TXXX:replaygain_track_peak'                        '0.449102'

========================== row from database ==========================
                                              'id'  1526568
                                            'path'  /data/Music/Bulk/0nonmusic/Morning Gym & Sex talks in 1950_z & 60_z~/Christopher Recordings - Sex Instruction [64k]/Record_4-The_Marriage_Union.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  561
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  4498043
                                           'mtime'  1620401357
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic Morning Gym & Sex talks 1950_z & 60_z~ Sex Instruction [64k] Record_4 The_Marriage_Union nonmusic speech comedy drama
                                      'tag_artist'  Christopher Recordings
                                     'tag_release'  ?
                                       'tag_title'  Record 4-The Marriage Union
                                             'bpm'  137.385
                                    'search_title'  '4':2 '4the':4 'marriage':5 'record':1 'the':3 'union':6
                                   'search_artist'  'christopher':1 'recordings':2
                                  'search_release'  
                                     'search_rest'  '0nonmusic':1 '1950':6 '4':14 '60':8 '64k':11,12 'comedy':20 'drama':21 'gym':3 'instruction':10 'marriage':16 'morning':2 'nonmusic':18 'record':13 'sex':4 'speech':19 'talks':5 'the':15 'union':17 'z':7,9
                                    'search_combo'  '0nonmusic':9 '1950':14 '4':2A,22 '4the':4A '60':16 '64k':19,20 'christopher':7B 'comedy':28 'drama':29 'gym':11 'instruction':18 'marriage':5A,24 'morning':10 'nonmusic':26 'record':1A,21 'recordings':8B 'sex':12 'speech':27 'talks':13 'the':3A,23 'union':6A,25 'z':15,17
                                    '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-1', 'q-chart-2', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['things victor would like']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401357.295339  (2021-05-07 17:29:17)
                             'size'  4498043