======================== unified (from filesystem) ========================
                                         'bitrate'  '135.646'
                                        'duration'  '159'
                                          'artist'  'the Feelies'
                                     'text_people'  ''
                                         'release'  'Dimitri - Random'
                                           'title'  "the Feelies -- Let's Go-i iDx-Lfjyk"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['indie', 'new wave', 'alternative', 'post punk', '80s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '98.0'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Random'
'TBPM' (BPM (beats per minute))                     '98.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TIT2' (Title/songname/content description)         "the Feelies -- Let's Go-i iDx-Lfjyk"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'the Feelies'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'new wave', 'alternative', 'post punk', '80s']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.40 dB'
'TXXX:replaygain_track_peak'                        '0.574609'
'TXXX:youtube'                                      " Let's Go-i_iDx-Lfjyk"

========================== row from database ==========================
                                              'id'  1517480
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/Random/the Feelies -- Let_s Go-i_iDx-Lfjyk.mp3
                                         'working'  None
                                         'bitrate'  135
                                    'duration_sec'  159
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  2713774
                                           'mtime'  1620520968
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Let_s i_iDx electronic we new wave or post punk
                                      'tag_artist'  the Feelies
                                     'tag_release'  Dimitri - Random
                                       'tag_title'  the Feelies -- Let's Go-i iDx-Lfjyk
                                             'bpm'  98.0
                                    'search_title'  'dx':13 'dxlfjyk':15 'feelies':2 'go':6 'goi':8 'i':7,12 'idx':9 'idxlfjyk':11 'let':3 'lets':5 'lfjyk':10,14 's':4 'the':1
                                   'search_artist'  'feelies':2 'the':1
                                  'search_release'  'dimitri':1 'random':2
                                     'search_rest'  'dx':14 'electronic':5 'i':3,12,13 'idx':4 'let':1 'new':7 'or':9 'post':10 'punk':11 's':2 'wave':8 'we':6
                                    'search_combo'  'dimitri':18C 'dx':13A,33 'dxlfjyk':15A 'electronic':24 'feelies':2A,17B 'go':6A 'goi':8A 'i':7A,12A,22,31,32 'idx':9A,23 'idxlfjyk':11A 'let':3A,20 'lets':5A 'lfjyk':10A,14A 'new':26 'or':28 'post':29 'punk':30 'random':19C 's':4A,21 'the':1A,16B 'wave':27 'we':25
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['indie', 'new wave', 'alternative', 'post punk', '80s']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620520968.453519  (2021-05-09 02:42:48)
                             'size'  2713774