======================== unified (from filesystem) ========================
                                         'bitrate'  '144.556'
                                        'duration'  '279'
                                          'artist'  'Nina Simone'
                                     'text_people'  ''
                                         'release'  'Dimitri - Ful, Soul & Jazz'
                                           'title'  'See'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-JZFKS-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-1', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['blues', 'jazz', 'female vocalists', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '120.6'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Ful, Soul & Jazz'
'TBPM' (BPM (beats per minute))                     '120.6'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'See'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Simone'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.74 dB'
'TXXX:replaygain_track_peak'                        '0.552651'
'TXXX:youtube'                                      'Line Woman (Mr. Mendel Edit)-GvSKwIA3Sx0'

========================== row from database ==========================
                                              'id'  1477544
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FunkSoulJazz/Nina Simone - See-Line Woman (Mr. Mendel Edit)-GvSKwIA3Sx0.mp3
                                         'working'  None
                                         'bitrate'  144
                                    'duration_sec'  279
                                           'genre'  funk or soul
                                        'filesize'  5053783
                                           'mtime'  1628357628
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FunkSoulJazz Line Woman (Mr. Mendel Edit) GvSKwIA3Sx0 funk or soul
                                      'tag_artist'  Nina Simone
                                     'tag_release'  Dimitri - Ful, Soul & Jazz
                                       'tag_title'  See
                                             'bpm'  120.6
                                    'search_title'  'see':1
                                   'search_artist'  'nina':1 'simone':2
                                  'search_release'  'dimitri':1 'ful':2,3 'jazz':5 'soul':4
                                     'search_rest'  'edit':7,8 'funk':10 'funksouljazz':1 'gv':14 'gvskwia3sx0':9 'ia3sx0':16 'jazz':13 'line':2 'mendel':6 'mr':4,5 'or':11 'skw':15 'soul':12 'woman':3
                                    'search_combo'  'dimitri':4C 'edit':15,16 'ful':5C,6C 'funk':18 'funksouljazz':9 'gv':22 'gvskwia3sx0':17 'ia3sx0':24 'jazz':8C,21 'line':10 'mendel':14 'mr':12,13 'nina':2B 'or':19 'see':1A 'simone':3B 'skw':23 'soul':7C,20 'woman':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  ['blues', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357628.3482144  (2021-08-07 19:33:48)
                             'size'  5053783