======================== unified (from filesystem) ========================
                                         'bitrate'  '187.37'
                                        'duration'  '187'
                                          'artist'  'Pennywise'
                                     'text_people'  ''
                                         'release'  'From The Ashes'
                                           'title'  'God Save The USA'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['political', 'punk rock', 'punk', 'hardcore', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '14'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '139.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'From The Ashes'
'TBPM' (BPM (beats per minute))                     '139.8'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'God Save The USA'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pennywise'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:iTunes_CDDB_IDs'                              '14+D37DDB4C16E4F8C14E7BE326D754B5DD+3209830'
'TXXX:lastfmtags'                                   ['political', 'punk rock', 'punk', 'hardcore', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.344282'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1417052
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Pennywise/(2003) - From The Ashes/02.Pennywise - God Save The USA.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  187
                                           'genre'  rock-gr-punk
                                        'filesize'  4384117
                                           'mtime'  1622659118
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner (2003) 02.Pennywise rock gr punk
                                      'tag_artist'  Pennywise
                                     'tag_release'  From The Ashes
                                       'tag_title'  God Save The USA
                                             'bpm'  139.8
                                    'search_title'  'god':1 'save':2 'the':3 'usa':4
                                   'search_artist'  'pennywise':1
                                  'search_release'  'ashes':3 'from':1 'the':2
                                     'search_rest'  '02':7 '02pennywise':9 '2003':5,6 'garage':2 'gr':11 'pennywise':8 'punk':1 'rock':10 'stoner':4 'surf':3
                                    'search_combo'  '02':15 '02pennywise':17 '2003':13,14 'ashes':8C 'from':6C 'garage':10 'god':1A 'gr':19 'pennywise':5B,16 'punk':9 'rock':18 'save':2A 'stoner':12 'surf':11 'the':3A,7C 'usa':4A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['political', 'punk rock', 'punk', 'hardcore', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659118.011161  (2021-06-02 20:38:38)
                             'size'  4384117