======================== unified (from filesystem) ========================
                                         'bitrate'  '226.767'
                                        'duration'  '416'
                                          'artist'  'Superpitcher'
                                     'text_people'  ''
                                         'release'  'Kompakt Total 6'
                                           'title'  'Tell Me About It'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['minimal techno', 'kompakt', 'techno', 'electro', 'electronic', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '121.994'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Kompakt Total 6'
'TBPM' (BPM (beats per minute))                     '121.994'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'LAME 3.90.3 --alt-preset standard'
'TIT2' (Title/songname/content description)         'Tell Me About It'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Superpitcher'
'TRCK' (Track number/Position in set)               '14'
'TXXX:MP3GAIN_UNDO'                                 '+004,+004,N'
'TXXX:MusicMagic Data'                              'AgEAeMgSqASadJFugJIREzTQgAGCcIACv8uQHFf/twHUvYABnW7AhqxvzRjhrKDrjMmAAcK2ofbpzxExgAHm6tg6S3iUb7jOC4KAAZGbmyObJYDcEFQ4r/8Cg2eAN8Ltk7Fizthp2eKVCYE7vBGwXNHi/a+30ISdgAHPKZGJ9wwcnoAO7HLlmxl5m23BtNx7hAc='
'TXXX:MusicMagic Fingerprint'                       'AS4AbBsj1xT5Eh4N2QZ4BqwFDQM+B4UCmwZsAWkBDAbWAw0BGAJtALME3wK0AR8AzwCXAIgAiwB1AHUAjQB/AM0A4wCQAIsAnACLAQoBTgC/ud/uEUpNNn4sPRNfBIUFTghYBVsDRgRzA6oB/gG+A98FkQIDAi4BmQSCAu0BdAE0AP8BFQEIAPMBHgEVASMBtgH/ASoBJQEeAM0B6QJ3AbVX08SO/zwk/jL6FykEEQZ/DDwKVwbSBZMDCAOEArwG2gjkAp4DLgHxBaEEAQFwAPgA4gDiAQQA3wDfANAAwADyAQcApACPAMAAogBcAQ0A+duYFKi9/9yvRnoltggkBFIbQRJgEZ8NPQs2BSsDKgjEFHQEOgNUAUMNZgnEAPwAygA7AFIAuwB4ACEAMwAo/yr+dv8g/xj/Mv9d/cT9Xf6kA/MJBwZg73BCV8+E4H3bOPLPDwnRM/JFzxL9G//46bz0afuW9MD+wOYd8fb6W/1//qH+yf6M/2L/av9h/8z/8//v/9r/8P/g/9oASgBq/9rwNhCVvAlcRAFJ2NsJ2BXH+bL50e4K+6wGz/zW/xj8Tfj7/ZP+bADc+VP7zv6s/sX/Kv+s/0j/gwBY/8wAKABRANsApACMAOEAt//KANYBCANP+TcRVuFUIBC4KRsYImLqvQt9D+zwFUSr/LcBiRVj7Yn6KQ+ZAEoGrQFhBZEBUABXAK3/+/+I/2v+/f/X/84ANgAcACj//AAYAJ4AtQBHJxkWDA=='
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimal techno', 'kompakt', 'techno', 'electro', 'electronic', 'minimal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.464880'

========================== row from database ==========================
                                              'id'  1329439
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/202-superpitcher--tell_me_about_it-mbs.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  416
                                           'genre'  electronic-th-techno
                                        'filesize'  11801388
                                           'mtime'  1620572671
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 202 superpitcher tell_me_about_it mbs electronic th techno
                                      'tag_artist'  Superpitcher
                                     'tag_release'  Kompakt Total 6
                                       'tag_title'  Tell Me About It
                                             'bpm'  121.994
                                    'search_title'  'about':3 'it':4 'me':2 'tell':1
                                   'search_artist'  'superpitcher':1
                                  'search_release'  '6':3 'kompakt':1 'total':2
                                     'search_rest'  '00poprockelectronic':1 '202':7 'about':11 'electronic':14 'files':5,6 'it':12 'loose':3,4 'mbs':13 'me':10 'superpitcher':8 'techno':16 'tell':9 'th':15 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 '202':15 '6':8C 'about':3A,19 'electronic':22 'files':13,14 'it':4A,20 'kompakt':6C 'loose':11,12 'mbs':21 'me':2A,18 'superpitcher':5B,16 'techno':24 'tell':1A,17 'th':23 'total':7C 'unsorted':10
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['minimal techno', 'kompakt', 'techno', 'electro', 'electronic', 'minimal']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620572670.6535726  (2021-05-09 17:04:30)
                             'size'  11801388