======================== unified (from filesystem) ========================
                                         'bitrate'  '127.34'
                                        'duration'  '156'
                                          'artist'  'Graveyard Johnnys'
                                     'text_people'  ''
                                         'release'  'Streetblocks & City Lights (2008)'
                                           'title'  'Voodoo Lover'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychobilly', 'punkabilly', 'rockabilly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '106.643'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Streetblocks & City Lights (2008)'
'TBPM' (BPM (beats per minute))                     '106.643'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Voodoo Lover'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Graveyard Johnnys'
'TRCK' (Track number/Position in set)               '1'
'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'                                   ['psychobilly', 'punkabilly', 'rockabilly']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.438657'

========================== row from database ==========================
                                              'id'  1289545
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Graveyard Johnnys/Streetblocks & City Lights (2008)/01 - Voodoo Lover.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  156
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  2501629
                                           'mtime'  1620526409
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 01 rock rockabilly or psychobilly
                                      'tag_artist'  Graveyard Johnnys
                                     'tag_release'  Streetblocks & City Lights (2008)
                                       'tag_title'  Voodoo Lover
                                             'bpm'  106.643
                                    'search_title'  'lover':2 'voodoo':1
                                   'search_artist'  'graveyard':1 'johnnys':2
                                  'search_release'  '2008':4,5 'city':2 'lights':3 'streetblocks':1
                                     'search_rest'  '00poprockelectronic':1 'musica':2 'or':5 'psychobilly':6 'rock':3 'rockabilly':4
                                    'search_combo'  '00poprockelectronic':10 '2008':8C,9C 'city':6C 'graveyard':3B 'johnnys':4B 'lights':7C 'lover':2A 'musica':11 'or':14 'psychobilly':15 'rock':12 'rockabilly':13 'streetblocks':5C 'voodoo':1A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['psychobilly', 'punkabilly', 'rockabilly']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526408.9131513  (2021-05-09 04:13:28)
                             'size'  2501629