======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '199'
                                          'artist'  'The Undisputed Truth'
                                     'text_people'  ''
                                         'release'  'Motown Best Of CD3'
                                           'title'  'Smiling Faces Sometimes'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'funk', 'motown', 'rhythm and blues', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '105.422'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Motown Best Of CD3'
'TBPM' (BPM (beats per minute))                     '105.422'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'Free Mp3 Wma Converter'
'TIT2' (Title/songname/content description)         'Smiling Faces Sometimes'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Undisputed Truth'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'funk', 'motown', 'rhythm and blues', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.654681'

========================== row from database ==========================
                                              'id'  1297394
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/undisputed truth smiling faces sometimes.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  199
                                           'genre'  funk or soul
                                        'filesize'  3185641
                                           'mtime'  1628357966
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] undisputed truth smiling faces sometimes funk or soul
                                      'tag_artist'  The Undisputed Truth
                                     'tag_release'  Motown Best Of CD3
                                       'tag_title'  Smiling Faces Sometimes
                                             'bpm'  105.422
                                    'search_title'  'faces':2 'smiling':1 'sometimes':3
                                   'search_artist'  'the':1 'truth':3 'undisputed':2
                                  'search_release'  'best':2 'cd3':4 'motown':1 'of':3
                                     'search_rest'  '00poprockelectronic':1 'faces':10 'files':5,6 'funk':12 'loose':3,4 'or':13 'smiling':9 'sometimes':11 'soul':14 'truth':8 'undisputed':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'best':8C 'cd3':10C 'faces':2A,20 'files':15,16 'funk':22 'loose':13,14 'motown':7C 'of':9C 'or':23 'smiling':1A,19 'sometimes':3A,21 'soul':24 'the':4B 'truth':6B,18 'undisputed':5B,17 'unsorted':12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'funk', 'motown', 'rhythm and blues', '70s']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357966.1461372  (2021-08-07 19:39:26)
                             'size'  3185641