======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '159'
                                          'artist'  'Anthony Donovan and John Hyatt'
                                     'text_people'  ''
                                         'release'  'Classwar Karaoke - 0017 Survey'
                                           'title'  'Art Speaks 1 (Hole in the Air)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '141.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Classwar Karaoke - 0017 Survey'
'TBPM' (BPM (beats per minute))                     '141.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TCOP' (Copyright message)                          ('Creative Commons Attribution-NonCommercial-NoDerivatives (aka Music '
 'Sharing): http://creativecommons.org/licenses/by-nc-nd/3.0/')
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Art Speaks 1 (Hole in the Air)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anthony Donovan and John Hyatt'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '07'
'TSSE' (Software/Hardware and settings used for encoding)  'GarageBand 5.1'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.40 dB'
'TXXX:replaygain_track_peak'                        '0.694692'

========================== row from database ==========================
                                              'id'  1365204
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/FluiD - 2012 - classwar karaoke - 0017 survey/anthony donovan and john hyatt - classwar karaoke - 0017 survey - 07 - art speaks 1 (hole in the air).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  159
                                           'genre'  electronic-unsorted
                                        'filesize'  3824661
                                           'mtime'  1622758896
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FluiD 2012 classwar karaoke survey anthony donovan john hyatt classwar karaoke survey 07 art speaks (hole air) electronic unsorted
                                      'tag_artist'  Anthony Donovan and John Hyatt
                                     'tag_release'  Classwar Karaoke - 0017 Survey
                                       'tag_title'  Art Speaks 1 (Hole in the Air)
                                             'bpm'  141.4
                                    'search_title'  '1':3 'air':8,9 'art':1 'hole':4,5 'in':6 'speaks':2 'the':7
                                   'search_artist'  'and':3 'anthony':1 'donovan':2 'hyatt':5 'john':4
                                  'search_release'  'classwar':1 'karaoke':2 'survey':3
                                     'search_rest'  '2012':2 'air':14,15 'anthony':6 'art':10 'classwar':3 'd':19 'donovan':7 'electronic':16 'flui':18 'fluid':1 'hole':12,13 'hyatt':9 'john':8 'karaoke':4 'speaks':11 'survey':5 'unsorted':17
                                    'search_combo'  '1':3A '2012':19 'air':8A,9A,31,32 'and':12B 'anthony':10B,23 'art':1A,27 'classwar':15C,20 'd':36 'donovan':11B,24 'electronic':33 'flui':35 'fluid':18 'hole':4A,5A,29,30 'hyatt':14B,26 'in':6A 'john':13B,25 'karaoke':16C,21 'speaks':2A,28 'survey':17C,22 'the':7A 'unsorted':34
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622758896.2134106  (2021-06-04 00:21:36)
                             'size'  3824661