======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '298'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  'Discography: The Complete Sing'
                                           'title'  "It's a Sin"
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-pl-zomg80s'
                                             'bpm'  '127.124'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Discography: The Complete Sing'
'TBPM' (BPM (beats per minute))                     '127.124'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-pl-zomg80s']
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         "It's a Sin"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pet Shop Boys'
'TRCK' (Track number/Position in set)               '5'
'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:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.790778'

========================== row from database ==========================
                                              'id'  1517821
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Best of 70 80 & 90s - 211 Hits (6CDS)/Pet Shop Boys - It_s A Sin.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  298
                                           'genre'  electronic-we-disco or italo;set-pl-zomg80s
                                        'filesize'  4771171
                                           'mtime'  1620540255
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Best of 70 80 & 90s 211 Hits (6CDS) It_s A electronic we disco or italo;set zomg80s
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  Discography: The Complete Sing
                                       'tag_title'  It's a Sin
                                             'bpm'  127.124
                                    'search_title'  'a':4 'it':1 'its':3 's':2 'sin':5
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  'complete':4 'discography':1,2 'sing':5 'the':3
                                     'search_rest'  '00poprockelectronic':1 '211':7 '6cds':9,10 '70':4 '80':5 '90s':6 'a':13 'best':2 'disco':16 'electronic':14 'hits':8 'it':11 'italo':18,20 'of':3 'or':17 's':12 'set':19,21 'we':15 'zomg80s':22
                                    'search_combo'  '00poprockelectronic':14 '211':20 '6cds':22,23 '70':17 '80':18 '90s':19 'a':4A,26 'best':15 'boys':8B 'complete':12C 'disco':29 'discography':9C,10C 'electronic':27 'hits':21 'it':1A,24 'italo':31,33 'its':3A 'of':16 'or':30 'pet':6B 's':2A,25 'set':32,34 'shop':7B 'sin':5A 'sing':13C 'the':11C 'we':28 'zomg80s':35
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5A
                                           '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-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540255.0721881  (2021-05-09 08:04:15)
                             'size'  4771171