======================== unified (from filesystem) ========================
                                         'bitrate'  '182.174'
                                        'duration'  '180'
                                          'artist'  'Ted Hawkins'
                                     'text_people'  'Theodore Hawkins, Jr.'
                                         'release'  'Watch Your Step'
                                           'title'  'I Gave Up All I Had'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['acoustic', 'blues', 'soul', 'folk', 'singer songwriter']"
                                     'discogstags'  "['funk / soul', 'blues', 'rhythm & blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '15'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '108.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Watch Your Step'
'TBPM' (BPM (beats per minute))                     '108.9'
'TCOM' (Composer)                                   'Theodore Hawkins, Jr.'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'I Gave Up All I Had'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ted Hawkins'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '14/15'
'TXXX:Encoding Params'                              'vers'
'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:UFIDhttp://www.cddb.com/id3/taginfo1.html'    '3CD3N94R21234084V9800DC44472DD2B4E3BE5AF605D12B3BF5P3'
'TXXX:discogstags'                                  ['funk / soul', 'blues', 'rhythm & blues']
'TXXX:iTunes_CDDB_IDs'                              '15++'
'TXXX:lastfmtags'                                   ['acoustic', 'blues', 'soul', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.51 dB'
'TXXX:replaygain_track_peak'                        '0.608306'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1272127
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Ted Hawkins/Watch Your Step/14 I Gave Up All I Had.mp3
                                         'working'  None
                                         'bitrate'  182
                                    'duration_sec'  180
                                           'genre'  funk or soul
                                        'filesize'  4113559
                                           'mtime'  1628357898
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul 14 funk or soul
                                      'tag_artist'  Ted Hawkins
                                     'tag_release'  Watch Your Step
                                       'tag_title'  I Gave Up All I Had
                                             'bpm'  108.9
                                    'search_title'  'all':4 'gave':2 'had':5 'i':1 'up':3
                                   'search_artist'  'hawkins':2 'ted':1
                                  'search_release'  'step':3 'watch':1 'your':2
                                     'search_rest'  'funk':2 'or':4 'soul':3 'swing':1
                                    'search_combo'  'all':4A 'funk':12 'gave':2A 'had':5A 'hawkins':7B 'i':1A 'or':14 'soul':13 'step':10C 'swing':11 'ted':6B 'up':3A 'watch':8C 'your':9C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'blues', 'soul', 'folk', 'singer songwriter']
                                        'tag_date'  2008
                                     'discogstags'  ['funk / soul', 'blues', 'rhythm & blues']

============================== file details ==============================
                                           'mtime'  1628357898.1808949  (2021-08-07 19:38:18)
                             'size'  4113559