======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '216'
                                          'artist'  'Prince'
                                     'text_people'  ''
                                         'release'  'Fetenhits - The Real Classics 4 CD 1'
                                           'title'  '1999'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'rock', 'pop', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '20'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk-pop'
                                             'bpm'  '119.195'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '25129714'
'COMM:ID3v1 Comment:XXX'                            '25129714'
'TALB' (Album/Movie/Show title)                     'Fetenhits - The Real Classics 4 CD 1'
'TBPM' (BPM (beats per minute))                     '119.195'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk-pop'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         '1999'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prince'
'TRCK' (Track number/Position in set)               '3/20'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80.04, LAME dll 3.89, 128 Kbit/s, Joint Stereo, Normal quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rock', 'pop', 'funk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.24 dB'
'TXXX:replaygain_track_peak'                        '0.474010'

========================== row from database ==========================
                                              'id'  775617
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Prince/Prince - 1999.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  216
                                           'genre'  funk or soul-funk-pop
                                        'filesize'  3464387
                                           'mtime'  1620531275
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country funk or soul funk pop
                                      'tag_artist'  Prince
                                     'tag_release'  Fetenhits - The Real Classics 4 CD 1
                                       'tag_title'  1999
                                             'bpm'  119.195
                                    'search_title'  '1999':1
                                   'search_artist'  'prince':1
                                  'search_release'  '1':7 '4':5 'cd':6 'classics':4 'fetenhits':1 'real':3 'the':2
                                     'search_rest'  'country':4 'exotica':2 'funk':5 'jazz':1 'oldies':3 'or':6 'pop':8 'soul':7
                                    'search_combo'  '1':9C '1999':1A '4':7C 'cd':8C 'classics':6C 'country':13 'exotica':11 'fetenhits':3C 'funk':14 'jazz':10 'oldies':12 'or':15 'pop':17 'prince':2B 'real':5C 'soul':16 'the':4C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['80s', 'rock', 'pop', 'funk']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531275.171101  (2021-05-09 05:34:35)
                             'size'  3464387