======================== unified (from filesystem) ========================
                                         'bitrate'  '320.006'
                                        'duration'  '690'
                                          'artist'  'Justin Drake (Peace Division)'
                                     'text_people'  ''
                                         'release'  'Dark Techno'
                                           'title'  'Blacklight Sleaze - Radio Slave Vocal Mix'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '124.011'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dark Techno'
'TBPM' (BPM (beats per minute))                     '124.011'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Blacklight Sleaze - Radio Slave Vocal Mix'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Justin Drake (Peace Division)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:q-bass'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.35 dB'
'TXXX:replaygain_track_peak'                        '0.705287'

========================== row from database ==========================
                                              'id'  1336120
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dark - Techno/Peace Division - Blacklight Sleaze (Radio Slave Vocal Mix) ss.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  690
                                           'genre'  electronic-th-techno
                                        'filesize'  27637274
                                           'mtime'  1620568896
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (Radio Mix) ss electronic th techno
                                      'tag_artist'  Justin Drake (Peace Division)
                                     'tag_release'  Dark Techno
                                       'tag_title'  Blacklight Sleaze - Radio Slave Vocal Mix
                                             'bpm'  124.011
                                    'search_title'  'blacklight':1 'mix':6 'radio':3 'slave':4 'sleaze':2 'vocal':5
                                   'search_artist'  'division':5,6 'drake':2 'justin':1 'peace':3,4
                                  'search_release'  'dark':1 'techno':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'mix':4,5 'radio':2,3 'ss':6 'techno':9 'th':8
                                    'search_combo'  '00poprockelectronic':15 'blacklight':1A 'dark':13C 'division':11B,12B 'drake':8B 'electronic':21 'justin':7B 'mix':6A,18,19 'peace':9B,10B 'radio':3A,16,17 'slave':4A 'sleaze':2A 'ss':20 'techno':14C,23 'th':22 'vocal':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', '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-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620568896.207595  (2021-05-09 16:01:36)
                             'size'  27637274