======================== unified (from filesystem) ========================
                                         'bitrate'  '241.241'
                                        'duration'  '303'
                                          'artist'  'Dave Clarke'
                                     'text_people'  'Chris McCormack'
                                         'release'  'World Service V2 - Electro'
                                           'title'  'What Kind Of Sound Pt.1'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', '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-4']")
                                      'lastfmtags'  "['electronica', 'house', 'dance', 'techno', 'electro', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '138.040'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x003\x00+\x009\x006\x00+\x004\x00C\x006\x008\x00+\x008\x007\x006\x00D\x00+\x00C\x006\x009\x000\x00+\x00F\x000\x00A\x003\x00+\x001\x004\x007\x006\x001\x00+\x001\x00A\x000\x006\x00C\x00+\x001\x00E\x00D\x00D\x004\x00+\x002\x001\x000\x006\x00E\x00+\x002\x004\x009\x007\x00E\x00+\x002\x006\x00A\x000\x007\x00+\x002\x009\x004\x00B\x007\x00+\x002\x00C\x005\x006\x00B\x00+\x003\x000\x002\x004\x003\x00+\x003\x007\x009\x00C\x009\x00+\x003\x00D\x00E\x005\x005\x00+\x004\x002\x007\x002\x00F\x00+\x004\x006\x000\x001\x007\x00+\x004\x00A\x004\x00F\x00B\x00+\x005\x001\x002\x007\x001\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'World Service V2 - Electro'
'TBPM' (BPM (beats per minute))                     '138.040'
'TCOM' (Composer)                                   'Chris McCormack'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'What Kind Of Sound Pt.1'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chris McCormack'
'TPE2' (Band/orchestra/accompaniment)               'Dave Clarke'
'TPUB' (Publisher)                                  'Resist UK'
'TRCK' (Track number/Position in set)               '6'
'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:WM/Provider'                                  'AMG'
'TXXX:WM/ProviderRating'                            '0'
'TXXX:WM/ProviderStyle'                             'Electronica'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'house', 'dance', 'techno', 'electro', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.79 dB'
'TXXX:replaygain_track_peak'                        '0.743788'

========================== row from database ==========================
                                              'id'  1332621
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dave Clarke/Dave Clarke - World Service 2 MP3/World Service 2 CD1 Electro Mix/06.What Kind Of Sound Pt.1.mp3
                                         'working'  None
                                         'bitrate'  241
                                    'duration_sec'  303
                                           'genre'  electronic-th-techno
                                        'filesize'  9169220
                                           'mtime'  1620568909
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MP3 CD1 Mix 06.What electronic th techno
                                      'tag_artist'  Dave Clarke
                                     'tag_release'  World Service V2 - Electro
                                       'tag_title'  What Kind Of Sound Pt.1
                                             'bpm'  138.04
                                    'search_title'  '1':6 'kind':2 'of':3 'pt':5 'pt1':7 'sound':4 'what':1
                                   'search_artist'  'clarke':2 'dave':1
                                  'search_release'  'electro':4 'service':2 'v2':3 'world':1
                                     'search_rest'  '00poprockelectronic':1 '06':5 '06what':7 'cd1':3 'electronic':8 'mix':4 'mp3':2 'techno':10 'th':9 'what':6
                                    'search_combo'  '00poprockelectronic':14 '06':18 '06what':20 '1':6A 'cd1':16 'clarke':9B 'dave':8B 'electro':13C 'electronic':21 'kind':2A 'mix':17 'mp3':15 'of':3A 'pt':5A 'pt1':7A 'service':11C 'sound':4A 'techno':23 'th':22 'v2':12C 'what':1A,19 'world':10C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'house', 'dance', 'techno', 'electro', 'electronic']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620568908.9634297  (2021-05-09 16:01:48)
                             'size'  9169220