======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '225'
                                          'artist'  'A-Ha'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Take On Me'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'synth pop', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '84.420'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '84.420'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Take On Me'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'A-Ha'
'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:lastfmtags'                                   ['80s', 'new wave', 'synth pop', 'pop', 'synthpop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.828238'

========================== row from database ==========================
                                              'id'  1356472
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Best of 70 80 & 90s - 211 Hits (6CDS)/A-Ha - Take On Me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  225
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3614286
                                           'mtime'  1620572202
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic The Best of 70 80 & 90s 211 Hits (6CDS) electronic we new wave or post punk
                                      'tag_artist'  A-Ha
                                     'tag_release'  None
                                       'tag_title'  Take On Me
                                             'bpm'  84.42
                                    'search_title'  'me':3 'on':2 'take':1
                                   'search_artist'  'a':1 'aha':3 'ha':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '211':8 '6cds':10,11 '70':5 '80':6 '90s':7 'best':3 'electronic':12 'hits':9 'new':14 'of':4 'or':16 'post':17 'punk':18 'the':2 'wave':15 'we':13
                                    'search_combo'  '00poprockelectronic':7 '211':14 '6cds':16,17 '70':11 '80':12 '90s':13 'a':4B 'aha':6B 'best':9 'electronic':18 'ha':5B 'hits':15 'me':3A 'new':20 'of':10 'on':2A 'or':22 'post':23 'punk':24 'take':1A 'the':8 'wave':21 'we':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'synth pop', 'pop', 'synthpop']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572202.2117386  (2021-05-09 16:56:42)
                             'size'  3614286