======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '148'
                                          'artist'  'The Osmonds'
                                     'text_people'  ''
                                         'release'  'Second Hand Psychosis'
                                           'title'  'Crazy Horses'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-2', 'q-chart-1', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['70s', 'pop', 'rock', 'oldies', 'american']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '121.628'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Second Hand Psychosis'
'TBPM' (BPM (beats per minute))                     '121.628'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Crazy Horses'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Osmonds'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['70s', 'pop', 'rock', 'oldies', 'american']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.32 dB'
'TXXX:replaygain_track_peak'                        '0.389199'

========================== row from database ==========================
                                              'id'  1526946
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Trolls - Beat - second hand psychosis (60-70_s comp)/08 - osmonds - crazy horses.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  148
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  2383872
                                           'mtime'  1620737185
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Trolls Beat second hand psychosis (60 70_s comp) 08 osmonds crazy horses rock cppex psychedelic
                                      'tag_artist'  The Osmonds
                                     'tag_release'  Second Hand Psychosis
                                       'tag_title'  Crazy Horses
                                             'bpm'  121.628
                                    'search_title'  'crazy':1 'horses':2
                                   'search_artist'  'osmonds':2 'the':1
                                  'search_release'  'hand':2 'psychosis':3 'second':1
                                     'search_rest'  '60':7,8 '70':9 'beat':3 'classicprogpsy':1 'comp':11,12 'cppex':17 'crazy':14 'hand':5 'horses':15 'osmonds':13 'psychedelic':18 'psychosis':6 'rock':16 's':10 'second':4 'trolls':2
                                    'search_combo'  '60':14,15 '70':16 'beat':10 'classicprogpsy':8 'comp':18,19 'cppex':24 'crazy':1A,21 'hand':6C,12 'horses':2A,22 'osmonds':4B,20 'psychedelic':25 'psychosis':7C,13 'rock':23 's':17 'second':5C,11 'the':3B 'trolls':9
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['70s', 'pop', 'rock', 'oldies', 'american']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737184.8833697  (2021-05-11 14:46:24)
                             'size'  2383872