======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '312'
                                          'artist'  'Heatwave'
                                     'text_people'  'Rod Temperton'
                                         'release'  'Too Hot to Handle'
                                           'title'  "Ain't No Half Steppin'"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'soul', '70s', 'disco', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '97.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:rï74öÍ\x15O°?=ûq(\x00\x8b'  PRIV(owner='WM/WMCollectionID', data=b'r\xef74\xf6\xcd\x15O\xb0?=\xfbq(\x00\x8b')
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'TALB' (Album/Movie/Show title)                     'Too Hot to Handle'
'TBPM' (BPM (beats per minute))                     '97.4'
'TCOM' (Composer)                                   'Rod Temperton'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         "Ain't No Half Steppin'"
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '312424'
'TPE1' (Lead performer(s)/Soloist(s))               'Heatwave'
'TPE2' (Band/orchestra/accompaniment)               'Heatwave'
'TPUB' (Publisher)                                  'Columbia'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'soul', '70s', 'disco', 'funk']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.29 dB'
'TXXX:replaygain_track_peak'                        '0.613756'

========================== row from database ==========================
                                              'id'  1497231
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/heatwave - 1976 too hot to handle/a3 - heatwave - ain_t no half steppin_.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  312
                                           'genre'  funk or soul-funk
                                        'filesize'  7500236
                                           'mtime'  1620665727
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul heatwave 1976 too hot handle a3 heatwave ain_t no half steppin_ funk or soul funk
                                      'tag_artist'  Heatwave
                                     'tag_release'  Too Hot to Handle
                                       'tag_title'  Ain't No Half Steppin'
                                             'bpm'  97.4
                                    'search_title'  'ain':1 'aint':3 'half':5 'no':4 'steppin':6,7 't':2
                                   'search_artist'  'heatwave':1
                                  'search_release'  'handle':4 'hot':2 'to':3 'too':1
                                     'search_rest'  '1976':5 'a3':9 'ain':10 'funk':2 'half':13 'handle':8 'heatwave':4 'hot':7 'no':12 'or':15 'soul':3 'steppin':14 'swing':1 't':11 'too':6
                                    'search_combo'  '1976':17 'a3':21 'ain':1A,22 'aint':3A 'funk':14 'half':5A,25 'handle':12C,20 'heatwave':8B,16 'hot':10C,19 'no':4A,24 'or':27 'soul':15 'steppin':6A,7A,26 'swing':13 't':2A,23 'to':11C 'too':9C,18
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'soul', '70s', 'disco', 'funk']
                                        'tag_date'  1976
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665726.7346542  (2021-05-10 18:55:26)
                             'size'  7500236