======================== unified (from filesystem) ========================
                                         'bitrate'  '237.188'
                                        'duration'  '335'
                                          'artist'  "Gigi D'agostino"
                                     'text_people'  ''
                                         'release'  'Italo'
                                           'title'  'Elisir (In F.M. Mix)'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'trance', 'techno', 'electronic', 'eurodance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '130.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Italo'
'TBPM' (BPM (beats per minute))                     '130.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'Elisir (In F.M. Mix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "Gigi D'agostino"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'trance', 'techno', 'electronic', 'eurodance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.29 dB'
'TXXX:replaygain_track_peak'                        '0.520721'

========================== row from database ==========================
                                              'id'  1497374
                                            'path'  /data/Music/Bulk/00poprockelectronic/Italo/Gigi D_agostino - Elisir (In F.M. Mix).mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  335
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  9953903
                                           'mtime'  1620570006
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic D_agostino electronic we disco or italo
                                      'tag_artist'  Gigi D'agostino
                                     'tag_release'  Italo
                                       'tag_title'  Elisir (In F.M. Mix)
                                             'bpm'  130.1
                                    'search_title'  'elisir':1 'f':4 'fm':6 'in':2,3 'm':5 'mix':7,8
                                   'search_artist'  'agostino':3 'd':2 'dagostino':4 'gigi':1
                                  'search_release'  'italo':1
                                     'search_rest'  '00poprockelectronic':1 'agostino':3 'd':2 'disco':6 'electronic':4 'italo':8 'or':7 'we':5
                                    'search_combo'  '00poprockelectronic':14 'agostino':11B,16 'd':10B,15 'dagostino':12B 'disco':19 'electronic':17 'elisir':1A 'f':4A 'fm':6A 'gigi':9B 'in':2A,3A 'italo':13C,21 'm':5A 'mix':7A,8A 'or':20 'we':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'trance', 'techno', 'electronic', 'eurodance']
                                        'tag_date'  2014
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620570006.0766304  (2021-05-09 16:20:06)
                             'size'  9953903