======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '281'
                                          'artist'  'Feargal Sharkey'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'A Good Heart'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'irish', 'pop', 'male vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '104.229'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '104.229'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'A Good Heart'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Feargal Sharkey'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'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', 'irish', 'pop', 'male vocalists']
'TXXX:q-bass'                                       '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.600751'

========================== row from database ==========================
                                              'id'  1526645
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Feargal Sharkey - A Good Heart.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  281
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  4507565
                                           'mtime'  1620569737
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of The 80_s electronic we new wave or post punk
                                      'tag_artist'  Feargal Sharkey
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  A Good Heart
                                             'bpm'  104.229
                                    'search_title'  'a':1 'good':2 'heart':3
                                   'search_artist'  'feargal':1 'sharkey':2
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':4 'electronic':6 'new':8 'of':2 'or':10 'post':11 'punk':12 's':5 'the':3 'wave':9 'we':7
                                    'search_combo'  '00poprockelectronic':10 '80':13 '80s':9C 'a':1A 'electronic':15 'feargal':4B 'good':2A 'heart':3A 'hits':6C 'new':17 'of':7C,11 'or':19 'post':20 'punk':21 's':14 'sharkey':5B 'the':8C,12 'wave':18 'we':16
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'irish', 'pop', 'male vocalists']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569736.6450758  (2021-05-09 16:15:36)
                             'size'  4507565