======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '309'
                                          'artist'  'Crash Test Dummies'
                                     'text_people'  ''
                                         'release'  'God Shuffled His Feet'
                                           'title'  'God Shuffled His Feet'
                                           'quals'  ("['Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'canadian', 'rock']"
                                     'discogstags'  "['rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '118.706'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'God Shuffled His Feet'
'TBPM' (BPM (beats per minute))                     '118.706'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'God Shuffled His Feet'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Crash Test Dummies'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop rock']
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'canadian', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.516402'

========================== row from database ==========================
                                              'id'  1326561
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Best of 70 80 & 90s - 211 Hits (6CDS)/CrashTest Dummies - God Shuffled His Feet.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  309
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  4949495
                                           'mtime'  1620572202
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic The Best of 70 80 & 90s 211 Hits (6CDS) CrashTest electronic generic or radio unsorted
                                      'tag_artist'  Crash Test Dummies
                                     'tag_release'  God Shuffled His Feet
                                       'tag_title'  God Shuffled His Feet
                                             'bpm'  118.706
                                    'search_title'  'feet':4 'god':1 'his':3 'shuffled':2
                                   'search_artist'  'crash':1 'dummies':3 'test':2
                                  'search_release'  'feet':4 'god':1 'his':3 'shuffled':2
                                     'search_rest'  '00poprockelectronic':1 '211':8 '6cds':10,11 '70':5 '80':6 '90s':7 'best':3 'crash':18 'crashtest':12 'electronic':13 'generic':14 'hits':9 'of':4 'or':15 'radio':16 'test':19 'the':2 'unsorted':17
                                    'search_combo'  '00poprockelectronic':12 '211':19 '6cds':21,22 '70':16 '80':17 '90s':18 'best':14 'crash':5B,29 'crashtest':23 'dummies':7B 'electronic':24 'feet':4A,11C 'generic':25 'god':1A,8C 'his':3A,10C 'hits':20 'of':15 'or':26 'radio':27 'shuffled':2A,9C 'test':6B,30 'the':13 'unsorted':28
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'canadian', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  ['rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1620572202.3888385  (2021-05-09 16:56:42)
                             'size'  4949495