======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '384'
                                          'artist'  'Dauwd'
                                     'text_people'  ''
                                         'release'  "What's There"
                                           'title'  "What's There"
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['future garage', 'dubstep', 'electronic', 'post dubstep']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '3'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '131.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "What's There"
'TBPM' (BPM (beats per minute))                     '131.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         "What's There"
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Dauwd'
'TRCK' (Track number/Position in set)               '1/3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['future garage', 'dubstep', 'electronic', 'post dubstep']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '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'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.465367'

========================== row from database ==========================
                                              'id'  1293672
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lanig/01-dauwd-whats_there.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  384
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  15375847
                                           'mtime'  1621085245
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Lanig 01 dauwd whats_there electronic th techno minimal or deephouse
                                      'tag_artist'  Dauwd
                                     'tag_release'  What's There
                                       'tag_title'  What's There
                                             'bpm'  131.0
                                    'search_title'  's':2 'there':4 'what':1 'whats':3
                                   'search_artist'  'dauwd':1
                                  'search_release'  's':2 'there':4 'what':1 'whats':3
                                     'search_rest'  '00poprockelectronic':1 'dauwd':3 'deephouse':11 'electronic':6 'lanig':2 'minimal':9 'or':10 'techno':8 'th':7 'there':5 'whats':4
                                    'search_combo'  '00poprockelectronic':10 'dauwd':5B,12 'deephouse':20 'electronic':15 'lanig':11 'minimal':18 'or':19 's':2A,7C 'techno':17 'th':16 'there':4A,9C,14 'what':1A,6C 'whats':3A,8C,13
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['future garage', 'dubstep', 'electronic', 'post dubstep']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085245.45732  (2021-05-15 15:27:25)
                             'size'  15375847