======================== unified (from filesystem) ========================
                                         'bitrate'  '187.094'
                                        'duration'  '260'
                                          'artist'  'D-Train'
                                     'text_people'  ''
                                         'release'  'Disco Classics Party - Shake Your Groove Thing'
                                           'title'  'Keep On'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['funk', 'disco', 'soul', '80s', 'dance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '18'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '116.9'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '1A127912'
'TALB' (Album/Movie/Show title)                     'Disco Classics Party - Shake Your Groove Thing'
'TBPM' (BPM (beats per minute))                     '116.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Keep On'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'D-Train'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16/18'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'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'                                   ['funk', 'disco', 'soul', '80s', 'dance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.420061'

========================== row from database ==========================
                                              'id'  1528763
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Disco Classics Party - Shake Your Groove Thing/D-train - 16 - Keep On.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  260
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6083563
                                           'mtime'  1620569089
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 70_s 80_s train 16 electronic we disco or italo
                                      'tag_artist'  D-Train
                                     'tag_release'  Disco Classics Party - Shake Your Groove Thing
                                       'tag_title'  Keep On
                                             'bpm'  116.9
                                    'search_title'  'keep':1 'on':2
                                   'search_artist'  'd':1 'dtrain':3 'train':2
                                  'search_release'  'classics':2 'disco':1 'groove':6 'party':3 'shake':4 'thing':7 'your':5
                                     'search_rest'  '00poprockelectronic':1 '70':2 '80':4 'disco':9 'electronic':7 'italo':11 'or':10 's':3,5 'train':6 'we':8
                                    'search_combo'  '00poprockelectronic':13 '70':14 '80':16 'classics':7C 'd':3B 'disco':6C,21 'dtrain':5B 'electronic':19 'groove':11C 'italo':23 'keep':1A 'on':2A 'or':22 'party':8C 's':15,17 'shake':9C 'thing':12C 'train':4B,18 'we':20 'your':10C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  11A
                                           '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-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['funk', 'disco', 'soul', '80s', 'dance']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569088.9733567  (2021-05-09 16:04:48)
                             'size'  6083563