======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '144'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'Merry Christmas'
                                           'title'  "Lo, How a Rose E'er Blooming"
                                           '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-PLAY-2', 'q-bass-1', "
 "'Q-CHART-2', 'q-drums-1', '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'  '12'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '142.3'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Merry Christmas'
'TBPM' (BPM (beats per minute))                     '142.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "Lo, How a Rose E'er Blooming"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TRCK' (Track number/Position in set)               '12'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.4 (http://www.mp3dev.org/)'
'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-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.13 dB'
'TXXX:replaygain_track_peak'                        '0.555044'

========================== row from database ==========================
                                              'id'  1499458
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1997 - Merry Christmas/12 - Lo, How A Rose E_er Blooming.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  144
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  2316989
                                           'mtime'  1621705575
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1997 12 A E_er electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  Merry Christmas
                                       'tag_title'  Lo, How a Rose E'er Blooming
                                             'bpm'  142.3
                                    'search_title'  'a':4 'blooming':9 'e':6 'eer':8 'er':7 'how':3 'lo':1,2 'rose':5
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'christmas':2 'merry':1
                                     'search_rest'  '1997':6 'a':7 'country':4 'e':8 'easy':14 'electronic':10 'er':9 'exotica':2 'generic':11 'jazz':1 'listening':15 'oldies':3 'or':12 'radio':13 'the':5
                                    'search_combo'  '101':10B '1997':20 'a':4A,21 'blooming':9A 'christmas':14C 'country':18 'e':6A,22 'easy':28 'eer':8A 'electronic':24 'er':7A,23 'exotica':16 'generic':25 'how':3A 'jazz':15 'listening':29 'lo':1A,2A 'merry':13C 'oldies':17 'or':26 'orchestra':12B 'radio':27 'rose':5A 'strings':11B 'the':19
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705574.5459592  (2021-05-22 19:46:14)
                             'size'  2316989