======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '222'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  '101 Strings Plays Frank Sinatra'
                                           'title'  'Just the way you look tonight'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'q-bass-4', 'q-play-2', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '145.0'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '101 Strings Plays Frank Sinatra'
'TBPM' (BPM (beats per minute))                     '145.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Just the way you look tonight'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.21 dB'
'TXXX:replaygain_track_peak'                        '0.510642'

========================== row from database ==========================
                                              'id'  1479560
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1997 - 101 Strings Plays Frank Sinatra/09 - Just The Way You Look Tonight.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  222
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  8909760
                                           'mtime'  1621705573
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1997 09 The Way You Look Tonight electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  101 Strings Plays Frank Sinatra
                                       'tag_title'  Just the way you look tonight
                                             'bpm'  145.0
                                    'search_title'  'just':1 'look':5 'the':2 'tonight':6 'way':3 'you':4
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  '101':1 'frank':4 'plays':3 'sinatra':5 'strings':2
                                     'search_rest'  '1997':6 'country':4 'easy':15 'electronic':11 'exotica':2 'generic':12 'jazz':1 'listening':16 'look':9 'oldies':3 'or':13 'radio':14 'the':5 'tonight':10 'way':7 'you':8
                                    'search_combo'  '101':7B,10C '1997':20 'country':18 'easy':29 'electronic':25 'exotica':16 'frank':13C 'generic':26 'jazz':15 'just':1A 'listening':30 'look':5A,23 'oldies':17 'or':27 'orchestra':9B 'plays':12C 'radio':28 'sinatra':14C 'strings':8B,11C 'the':2A,19 'tonight':6A,24 'way':3A,21 'you':4A,22
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-4']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705573.4954727  (2021-05-22 19:46:13)
                             'size'  8909760