======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '214'
                                          'artist'  'Drexciya'
                                     'text_people'  ''
                                         'release'  "Neptune's Lair"
                                           'title'  'Drifting into a Time of no Fut'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['detroit techno', 'electro', 'electronic', 'detroit', 'techno']"
                                     'discogstags'  "['electro', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '133.844'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Neptune's Lair"
'TBPM' (BPM (beats per minute))                     '133.844'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Drifting into a Time of no Fut'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Drexciya'
'TRCK' (Track number/Position in set)               '7'
'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:discogstags'                                  ['electro', 'electronic']
'TXXX:lastfmtags'                                   ['detroit techno', 'electro', 'electronic', 'detroit', 'techno']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.544020'

========================== row from database ==========================
                                              'id'  1338093
                                            'path'  /data/Music/Bulk/00poprockelectronic/Drexciya/Drexciya__cifs31ae.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  214
                                           'genre'  electronic-th-techno
                                        'filesize'  5146121
                                           'mtime'  1620569131
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Drexciya__cifs31ae electronic th techno
                                      'tag_artist'  Drexciya
                                     'tag_release'  Neptune's Lair
                                       'tag_title'  Drifting into a Time of no Fut
                                             'bpm'  133.844
                                    'search_title'  'a':3 'drifting':1 'fut':7 'into':2 'no':6 'of':5 'time':4
                                   'search_artist'  'drexciya':1
                                  'search_release'  'lair':4 'neptune':1 'neptunes':3 's':2
                                     'search_rest'  '00poprockelectronic':1 'cifs31ae':3 'drexciya':2 'electronic':4 'techno':6 'th':5
                                    'search_combo'  '00poprockelectronic':13 'a':3A 'cifs31ae':15 'drexciya':8B,14 'drifting':1A 'electronic':16 'fut':7A 'into':2A 'lair':12C 'neptune':9C 'neptunes':11C 'no':6A 'of':5A 's':10C 'techno':18 'th':17 'time':4A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['detroit techno', 'electro', 'electronic', 'detroit', 'techno']
                                        'tag_date'  1999
                                     'discogstags'  ['electro', 'electronic']

============================== file details ==============================
                                           'mtime'  1620569130.7873373  (2021-05-09 16:05:30)
                             'size'  5146121