======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '212'
                                          'artist'  'Kenny Loggins'
                                     'text_people'  ''
                                         'release'  'Greatest Top 10 Hits 1980-1990'
                                           'title'  'Danger Zone'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'soundtrack', 'singer songwriter', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '104.390'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Greatest Top 10 Hits 1980-1990'
'TBPM' (BPM (beats per minute))                     '104.390'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Danger Zone'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kenny Loggins'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'soundtrack', 'singer songwriter', '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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.331143'

========================== row from database ==========================
                                              'id'  1343194
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kenny Loggins/Kenny Loggins__Greatest Top 10 Hits 1980-1990 Vol.10__10 - Danger Zone.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  212
                                           'genre'  ifs-songwriter
                                        'filesize'  5098122
                                           'mtime'  1637330745
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Loggins__Greatest Vol.10__10 ifs songwriter
                                      'tag_artist'  Kenny Loggins
                                     'tag_release'  Greatest Top 10 Hits 1980-1990
                                       'tag_title'  Danger Zone
                                             'bpm'  104.39
                                    'search_title'  'danger':1 'zone':2
                                   'search_artist'  'kenny':1 'loggins':2
                                  'search_release'  '1980':4 '19801990':6 '1990':5 'greatest':1 'hits':3 'top':2
                                     'search_rest'  '00poprockelectronic':1 '10':5,6,8 'greatest':3 'ifs':9 'loggins':2 'songwriter':10 'vol':4 'vol10':7
                                    'search_combo'  '00poprockelectronic':11 '10':15,16,18 '1980':8C '19801990':10C '1990':9C 'danger':1A 'greatest':5C,13 'hits':7C 'ifs':19 'kenny':3B 'loggins':4B,12 'songwriter':20 'top':6C 'vol':14 'vol10':17 'zone':2A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'soundtrack', 'singer songwriter', 'pop', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330745.2999337  (2021-11-19 15:05:45)
                             'size'  5098122