======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '258'
                                          'artist'  'Aqua'
                                     'text_people'  ''
                                         'release'  'Aquarius'
                                           'title'  'We Belong To The Sea'
                                           'quals'  ("['Q-HAP-4', '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-1', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'eurodance', 'europop', 'pop', '90s']"
                                     'discogstags'  "['electronic', 'pop', 'euro house', 'ballad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '84.951'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Aquarius'
'TBPM' (BPM (beats per minute))                     '84.951'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'We Belong To The Sea'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Aqua'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'pop', 'euro house', 'ballad']
'TXXX:lastfmtags'                                   ['dance', 'eurodance', 'europop', 'pop', '90s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.18 dB'
'TXXX:replaygain_track_peak'                        '0.640907'

========================== row from database ==========================
                                              'id'  1349009
                                            'path'  /data/Music/Bulk/00poprockelectronic/Aqua/MBZ;#The The;#Infected;#01;#Infected.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  258
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  4142628
                                           'mtime'  1621642163
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#The The;#Infected;#01;#Infected electronic we electropop or synthpop
                                      'tag_artist'  Aqua
                                     'tag_release'  Aquarius
                                       'tag_title'  We Belong To The Sea
                                             'bpm'  84.951
                                    'search_title'  'belong':2 'sea':5 'the':4 'to':3 'we':1
                                   'search_artist'  'aqua':1
                                  'search_release'  'aquarius':1
                                     'search_rest'  '00poprockelectronic':1 '01':8,12 'electronic':14 'electropop':16 'infected':7,9,11,13 'mbz':2,4 'or':17 'synthpop':18 'the':3,5,6,10 'we':15
                                    'search_combo'  '00poprockelectronic':8 '01':15,19 'aqua':6B 'aquarius':7C 'belong':2A 'electronic':21 'electropop':23 'infected':14,16,18,20 'mbz':9,11 'or':24 'sea':5A 'synthpop':25 'the':4A,10,12,13,17 'to':3A 'we':1A,22
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'eurodance', 'europop', 'pop', '90s']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'pop', 'euro house', 'ballad']

============================== file details ==============================
                                           'mtime'  1621642162.5421906  (2021-05-22 02:09:22)
                             'size'  4142628