======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '242'
                                          'artist'  'tom waits'
                                     'text_people'  ''
                                         'release'  'blood money'
                                           'title'  'coney island baby'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '133.668'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'blood money'
'TBPM' (BPM (beats per minute))                     '133.668'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'coney island baby'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '242912'
'TPE1' (Lead performer(s)/Soloist(s))               'tom waits'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:original release date'                        ['2002', '2017']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.507944'

========================== row from database ==========================
                                              'id'  1249951
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Waits, Tom - Tom Waits/Tom Waits Various/Tom Waits - Coney Island Baby.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  242
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  3888650
                                           'mtime'  1639508289
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Waits, Tom Tom Waits Tom Waits Various Tom Waits Coney Island Baby ifs songwriter eos
                                      'tag_artist'  tom waits
                                     'tag_release'  blood money
                                       'tag_title'  coney island baby
                                             'bpm'  133.668
                                    'search_title'  'baby':3 'coney':1 'island':2
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'blood':1 'money':2
                                     'search_rest'  '00singer':1 'baby':10 'coney':8 'eos':3 'ifs':11 'island':9 'songwriter':2 'tom':6 'various':7 'waits':4,5
                                    'search_combo'  '00singer':8 'baby':3A,17 'blood':6C 'coney':1A,15 'eos':10 'ifs':18 'island':2A,16 'money':7C 'songwriter':9 'tom':4B,13 'various':14 'waits':5B,11,12
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  2017
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639508289.1880383  (2021-12-14 19:58:09)
                             'size'  3888650