======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '117'
                                          'artist'  'Grandaddy'
                                     'text_people'  ''
                                         'release'  'The Sophtware Slump'
                                           'title'  'E. Knievel Interlude (The Perils Of Keeping It Real)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['electronic', 'rock', 'lo-fi', 'downtempo', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '145.4'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Sophtware Slump'
'TBPM' (BPM (beats per minute))                     '145.4'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'E. Knievel Interlude (The Perils Of Keeping It Real)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Grandaddy'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'lo-fi', 'downtempo', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.847287'

========================== row from database ==========================
                                              'id'  1476514
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Grandaddy/The Sophtware Slump/GRANDADDY___E_KNIEVEL_INTER.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  117
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2824358
                                           'mtime'  1621697513
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos GRANDADDY___E_KNIEVEL_INTER ifs songwriter indie rock
                                      'tag_artist'  Grandaddy
                                     'tag_release'  The Sophtware Slump
                                       'tag_title'  E. Knievel Interlude (The Perils Of Keeping It Real)
                                             'bpm'  145.4
                                    'search_title'  'e':1,2 'interlude':4 'it':10 'keeping':9 'knievel':3 'of':8 'perils':7 'real':11,12 'the':5,6
                                   'search_artist'  'grandaddy':1
                                  'search_release'  'slump':3 'sophtware':2 'the':1
                                     'search_rest'  '00singer':1 'e':5 'eos':3 'grandaddy':4 'ifs':8 'indie':9 'inter':7 'knievel':6 'rock':10 'songwriter':2
                                    'search_combo'  '00singer':17 'e':1A,2A,21 'eos':19 'grandaddy':13B,20 'ifs':24 'indie':25 'inter':23 'interlude':4A 'it':10A 'keeping':9A 'knievel':3A,22 'of':8A 'perils':7A 'real':11A,12A 'rock':26 'slump':16C 'songwriter':18 'sophtware':15C 'the':5A,6A,14C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'rock', 'lo-fi', 'downtempo', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621697512.8721008  (2021-05-22 17:31:52)
                             'size'  2824358