======================== unified (from filesystem) ========================
                                         'bitrate'  '184.443'
                                        'duration'  '315'
                                          'artist'  'Prodigy'
                                     'text_people'  ''
                                         'release'  'Experience'
                                           'title'  'Hyperspeed (G-Force Part 2)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rave', 'electronic', 'hip hop', 'big beat', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '120.042'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '960DF40C'
'COMM:ID3v1 Comment:XXX'                            '960DF40C'
'TALB' (Album/Movie/Show title)                     'Experience'
'TBPM' (BPM (beats per minute))                     '120.042'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Hyperspeed (G-Force Part 2)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prodigy'
'TRCK' (Track number/Position in set)               '5/12'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['rave', 'electronic', 'hip hop', 'big beat', 'rap']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.515180'

========================== row from database ==========================
                                              'id'  1293475
                                            'path'  /data/Music/Bulk/00poprockelectronic/Prodigy/Experience/Prodigy - Hyperspeed (G-Force Part 2).mp3
                                         'working'  None
                                         'bitrate'  184
                                    'duration_sec'  315
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  7267568
                                           'mtime'  1620665630
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic generic radio bigbeat
                                      'tag_artist'  Prodigy
                                     'tag_release'  Experience
                                       'tag_title'  Hyperspeed (G-Force Part 2)
                                             'bpm'  120.042
                                    'search_title'  '2':6,7 'force':3 'g':2 'gforce':4 'hyperspeed':1 'part':5
                                   'search_artist'  'prodigy':1
                                  'search_release'  'experience':1
                                     'search_rest'  '00poprockelectronic':1 'bigbeat':5 'electronic':2 'generic':3 'radio':4
                                    'search_combo'  '00poprockelectronic':10 '2':6A,7A 'bigbeat':14 'electronic':11 'experience':9C 'force':3A 'g':2A 'generic':12 'gforce':4A 'hyperspeed':1A 'part':5A 'prodigy':8B 'radio':13
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['rave', 'electronic', 'hip hop', 'big beat', 'rap']
                                        'tag_date'  1989
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620665629.550631  (2021-05-10 18:53:49)
                             'size'  7267568