======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '230'
                                          'artist'  'Jimi Hendrix'
                                     'text_people'  ''
                                         'release'  'Experience Hendrix (The Best Of Jimi Hendrix)'
                                           'title'  'Night Bird Flying'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']"
                                     'discogstags'  "['rock', 'blues rock', 'psychedelic rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic;rock-pop-early-blues;rock-cppex'
                                             'bpm'  '105.477'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Experience Hendrix (The Best Of Jimi Hendrix)'
'TBPM' (BPM (beats per minute))                     '105.477'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic', 'rock-pop-early-blues', 'rock-cppex']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Night Bird Flying'
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '230817'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimi Hendrix'
'TRCK' (Track number/Position in set)               '17'
'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:discogstags'                                  ['rock', 'blues rock', 'psychedelic rock', 'classic rock']
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
'TXXX:original release date'                        ['1997', '2010']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.432413'

========================== row from database ==========================
                                              'id'  1486427
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Jimi Hendrix/Jimi Hendrix_/The Cry Of Love/Jimi Hendrix - Night Bird Flying.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  230
                                           'genre'  rock-cppex-psychedelic;rock-pop-early-blues;rock-cppex
                                        'filesize'  3694464
                                           'mtime'  1635960263
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Hendrix_ Cry Love rock cppex psychedelic;rock pop early blues;rock cppex
                                      'tag_artist'  Jimi Hendrix
                                     'tag_release'  Experience Hendrix (The Best Of Jimi Hendrix)
                                       'tag_title'  Night Bird Flying
                                             'bpm'  105.477
                                    'search_title'  'bird':2 'flying':3 'night':1
                                   'search_artist'  'hendrix':2 'jimi':1
                                  'search_release'  'best':5 'experience':1 'hendrix':2,8 'jimi':7 'of':6 'the':3,4
                                     'search_rest'  'blues':13,15 'classicprogpsy':1 'cppex':6 'cry':3 'early':12 'hendrix':2 'love':4 'pop':11 'psychedelic':7,9 'rock':5,8,10,14,16
                                    'search_combo'  'best':10C 'bird':2A 'blues':26,28 'classicprogpsy':14 'cppex':19 'cry':16 'early':25 'experience':6C 'flying':3A 'hendrix':5B,7C,13C,15 'jimi':4B,12C 'love':17 'night':1A 'of':11C 'pop':24 'psychedelic':20,22 'rock':18,21,23,27,29 'the':8C,9C
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
                                        'tag_date'  2010
                                     'discogstags'  ['rock', 'blues rock', 'psychedelic rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1635960263.1647456  (2021-11-03 18:24:23)
                             'size'  3694464