======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '201'
                                          'artist'  'Johnny Bristol'
                                     'text_people'  ''
                                         'release'  'The Hustle'
                                           'title'  'Hang On In There Baby'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['male vocalists', 'disco', 'soul', 'funk', '70s']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '129.398'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Hustle'
'TBPM' (BPM (beats per minute))                     '129.398'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Hang On In There Baby'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Bristol'
'TXXX:Mp3gain_minmax'                               '114,190'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '08'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['male vocalists', 'disco', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.602052'

========================== row from database ==========================
                                              'id'  1239217
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/[19XX] The Hustle/Johnny Bristol - 08 - Hang On In There Baby.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  201
                                           'genre'  funk or soul
                                        'filesize'  4030040
                                           'mtime'  1628357901
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul [19XX] 08 funk or soul
                                      'tag_artist'  Johnny Bristol
                                     'tag_release'  The Hustle
                                       'tag_title'  Hang On In There Baby
                                             'bpm'  129.398
                                    'search_title'  'baby':5 'hang':1 'in':3 'on':2 'there':4
                                   'search_artist'  'bristol':2 'johnny':1
                                  'search_release'  'hustle':2 'the':1
                                     'search_rest'  '19xx':4,5 'funk':2 'or':6 'soul':3 'swing':1
                                    'search_combo'  '19xx':13,14 'baby':5A 'bristol':7B 'funk':11 'hang':1A 'hustle':9C 'in':3A 'johnny':6B 'on':2A 'or':15 'soul':12 'swing':10 'the':8C 'there':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['male vocalists', 'disco', 'soul', 'funk', '70s']
                                        'tag_date'  1995
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1628357901.0333474  (2021-08-07 19:38:21)
                             'size'  4030040