======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '173'
                                          'artist'  'The Turtles'
                                     'text_people'  ''
                                         'release'  'Number 1 Hits CD1'
                                           'title'  'Happy Toghter'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['pop', 'rock', 'oldies', '60s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '119.900'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Number 1 Hits CD1'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Happy Toghter'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Turtles'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '087,208'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '01'
'TXXX:lastfmtags'                                   ['pop', 'rock', 'oldies', '60s', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.61 dB'
'TXXX:replaygain_track_peak'                        '0.514102'

========================== row from database ==========================
                                              'id'  1407322
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Number 1 hits cd 1/01 The Turtles - Happy Toghter .mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  173
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  4171311
                                           'mtime'  1621853887
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat hits cd 01 electronic generic or radio dance
                                      'tag_artist'  The Turtles
                                     'tag_release'  Number 1 Hits CD1
                                       'tag_title'  Happy Toghter
                                             'bpm'  119.9
                                    'search_title'  'happy':1 'toghter':2
                                   'search_artist'  'the':1 'turtles':2
                                  'search_release'  '1':2 'cd1':4 'hits':3 'number':1
                                     'search_rest'  '00poprockelectronic':1 'cd':6 'dance':3 'electronic':7 'generic':2 'hits':5 'or':8 'radio':9 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':9 '1':6C 'cd':14 'cd1':8C 'dance':11 'electronic':15 'generic':10 'happy':1A 'hits':7C,13 'number':5C 'or':16 'radio':17 'the':3B 'toghter':2A 'trapbeat':12 'turtles':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'rock', 'oldies', '60s', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853886.6827075  (2021-05-24 12:58:06)
                             'size'  4171311