======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '192'
                                          'artist'  "Fool's Garden"
                                     'text_people'  ''
                                         'release'  "Greatest Hits Of The 90's Disc 5"
                                           'title'  'Lemon Tree'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['german', 'soft rock', 'britpop', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft'
                                             'bpm'  '143.213'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Greatest Hits Of The 90's Disc 5"
'TBPM' (BPM (beats per minute))                     '143.213'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-soft'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Lemon Tree'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               "Fool's Garden"
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['german', 'soft rock', 'britpop', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.436127'

========================== row from database ==========================
                                              'id'  1523655
                                            'path'  /data/Music/Bulk/00poprockelectronic/greatest hits of the 90_s disc 5/12 - Fool_s Garden - Lemon Tree.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  192
                                           'genre'  rock-pop-soft
                                        'filesize'  7716533
                                           'mtime'  1620736622
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic greatest hits of the 90_s disc 12 Fool_s rock pop soft
                                      'tag_artist'  Fool's Garden
                                     'tag_release'  Greatest Hits Of The 90's Disc 5
                                       'tag_title'  Lemon Tree
                                             'bpm'  143.213
                                    'search_title'  'lemon':1 'tree':2
                                   'search_artist'  'fool':1 'fools':3 'garden':4 's':2
                                  'search_release'  '5':9 '90':5 '90s':7 'disc':8 'greatest':1 'hits':2 'of':3 's':6 'the':4
                                     'search_rest'  '00poprockelectronic':1 '90':6 'disc':8 'fool':9 'greatest':2 'hits':3 'of':4 'pop':12 'rock':11 's':7,10 'soft':13 'the':5
                                    'search_combo'  '00poprockelectronic':16 '5':15C '90':11C,21 '90s':13C 'disc':14C,23 'fool':3B,24 'fools':5B 'garden':6B 'greatest':7C,17 'hits':8C,18 'lemon':1A 'of':9C,19 'pop':27 'rock':26 's':4B,12C,22,25 'soft':28 'the':10C,20 'tree':2A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'soft rock', 'britpop', 'pop', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736622.2538571  (2021-05-11 14:37:02)
                             'size'  7716533