======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '243'
                                          'artist'  'Power-Pill'
                                     'text_people'  ''
                                         'release'  'Pac-Man'
                                           'title'  'Pac-Man (Original Full Version'
                                           'quals'  ("['Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'pacman', 'idm', 'electronic', 'techno']"
                                     'discogstags'  "['breakbeat', 'hardcore', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '88.476'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'British'
'TALB' (Album/Movie/Show title)                     'Pac-Man'
'TBPM' (BPM (beats per minute))                     '88.476'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Pac-Man (Original Full Version'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Power-Pill'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['breakbeat', 'hardcore', 'electronic']
'TXXX:lastfmtags'                                   ['electronica', 'pacman', 'idm', 'electronic', 'techno']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.69 dB'
'TXXX:replaygain_track_peak'                        '0.725531'

========================== row from database ==========================
                                              'id'  171282
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Aphex Twin/aphex twin - power pill pacman.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  243
                                           'genre'  electronic-unsorted
                                        'filesize'  3896784
                                           'mtime'  1620516720
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Aphex Twin aphex twin power pill pacman electronic unsorted
                                      'tag_artist'  Power-Pill
                                     'tag_release'  Pac-Man
                                       'tag_title'  Pac-Man (Original Full Version
                                             'bpm'  88.476
                                    'search_title'  'full':6 'man':2 'original':4,5 'pac':1 'pacman':3 'version':7
                                   'search_artist'  'pill':2 'power':1 'powerpill':3
                                  'search_release'  'man':2 'pac':1 'pacman':3
                                     'search_rest'  'aphex':1 'electronic':6 'pacman':5 'pill':4 'power':3 'twin':2 'unsorted':7
                                    'search_combo'  'aphex':14 'electronic':19 'full':6A 'man':2A,12C 'original':4A,5A 'pac':1A,11C 'pacman':3A,13C,18 'pill':9B,17 'power':8B,16 'powerpill':10B 'twin':15 'unsorted':20 'version':7A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'pacman', 'idm', 'electronic', 'techno']
                                        'tag_date'  1992
                                     'discogstags'  ['breakbeat', 'hardcore', 'electronic']

============================== file details ==============================
                                           'mtime'  1620516719.752422  (2021-05-09 01:31:59)
                             'size'  3896784